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KHISTEL Imus rmnmm - ' - -_ u12s;'ms1a=z'r snocx mmnnfis; _ 77'4 __/#/ /L - W--~---~, Kristel Klaus, Krietbl Klaus, ' - nu. Hubo--__-1
Kristel Fuchs, am. Bob Klaus . 7:': °'*fElma Anna Dorothe Ida. Christel Fuchs M Z§PIONAGE _ R . ' I '- "I0---------_-. Bufile 100-346228! c"' '°d "7 OP [MW F °" """"-MM - 3//g/'
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of BK The purpose oi this memorand is to attempt an ident cationSoviet lgent known to mdw cover names of Re
-5 . =V9aD1>R.lF"l3: §@I@D{ uC$!'i5=T1§D ! @"'> Vb lb shed information set forth hereafter concerning Qwo S et Agents, one of whom was known under the cover names Rest and Charles,
and the other one who was known under the cover names of Goose Gus! and Arnaud§ E apparently pronounced Arno!. According to, this Source on May 8, l9h1+, the
G.B. representative in New York advised Moscow that Best had reported that m92he work o the Br tish Commission in the United States was meeting with no E.
uccese. as not certain of the reason for the lack of success but ,-
thought i g ave been the result of dissatisfaction or a misunderstanding. ~
The M.G.B. representative advised that it would be proposed to Rest either to '
support Great Britain or to work at a special laboratory or camp, apparentlyfor res -
Dg June 15, 19M, it was reported to lloscou that "the ten" had "reéeived
from Rest the third part o1"the report BEN-1 _ one digit missing! - - - - -- -
Efrent Eerent?! Fluctuation,in¢a,5tream - - - - - - - - - - - -- - -- - -1*> BI ,
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' dif:£u?!eion method - work '6i_1 his specialty. Rest?! . . . . . . diubt cf t
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possibility of staying in the United States without arousing suspicion.
According to'Rest's information the British and the Americans 1ina.lIIy_. . .| .
~--..-s...-......1-.¢.-,,8lOIingdDImOf18B6a.rchVnrk
on diffusion. The Americans advised the representative of Great Britain that
construction of Ia plant in Great Britain will directly contradict the spirit
of "agreement onfAtomio Energy signed together rdth the Atlantic Charter.
Right now . . '. . . . . . . . of?! Great Britain in Washington is looicing
into the details of the transfer of the work to Great "Britain. Rest presumeshe will have toleave in a matter of a month and a pg!.' .
1
On July 25, 19M, HDBQOW V8.5 advised that "The almost half a year Of
connections established?! with Rest has demonstrated the value of his work?!for us. We consider it indispensable to pay him for this half year the duereward of 500 dollars. The said sum he fully deserves. Telegraph consent'?!.a/¬!
S-IOn August 29, 191.1,, Moscow was advised concerning the possible depagmre
of Rest fol?"-.Great Britain, and in this connection the names of Alexis Aleksey! -
and Goose Gus! were mentioned. In part it was stated " - - - - - - Goose
advised that Rest - - - - - - Great Britain. With the aim of sending'?!
Goose across ?! to see Best's sister - - - -- - see her husband their?! de-
partu.re¢1f2OSeptemoer--+------ - - - - - - -----n - - - -".
Something was also mentioned about checking on someone's arrival, probably
that of Rest. Mention was also made of $500 allowed by Moscow which apparently
was turned over to Rest. <=»-=> " W ,
On October 1., 191:1 lloscow was advised that Best's sister had already 'returned home and that Goose's next trip to see her was planned for October
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On October 5, l9M,,_Rest's cover name was changed to Charles Charl'z!
Iand Goose Gus was changed to Amend '2'! Arno8_:>Gw{u!
On November lb, 19%, reference was made to Arnaud's last trip to seeCharles sister. There was also some mention of Great Britain: u_!
. - S11-. should also be noted that according ti Goose mr- J
nished the M.G.B. representative in New York with information concerning a Soviet
Agent using the cover name of Constructor, who has been identified as Abraham
rofhman, who was a prominent subject in the Gregory Case. An effort toidentify Goose is now being carried out in the Brothman Ca se.!@é!
. s-92 .M
With reference to the report LBN-l one digit missing! Efrent Efferent?!o l W ?w/ .1. A ,4. 5'» rp- 714$ / _ I/R, pf:/00:
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Fluctuation in e Stream", it was determimll at the Atomic Energy Commission
that they have reports deaignafted ISN followed by--a numeral. The MS -series
was borrowed from the British and eth-e "N", was added to indicate the New '
I 1; orri , » or ce oi the llanhatte.n engineering 11istriétDwQ,9 A I
- - - e umnetei mu 10, mu n and us»: 15 as not being tn
documen men one on une 15, 1941+. An effort to examine all-documents from -
l&SNl2 through JEN-19 was made. Docmnents ISN-12, 1.3, 11+, .16, 17 and l8 were
examined, t-here appears to be no !lSN19. These documents were noted to be
dated in chronological order, IBN-12 was dated June 6, 19%, LEN-13 Ias dated
June 2., 1941+, and the documents with higher IBN numberhad later dates all
in chronological order. Inasmuch as the document to be idmtitied was mentioned
on June 15, 19M, it muld appear that it was IBN-l2 dated June 6, 191414.
IBN-12 is entitled "Fluctuations and the Efficiency of a Diffusion Plant, PartIII, The Effect oi Fluctuations in the flow oi 282; by K. Eughsm M '
JL -|M 1-rigl M It will "be noted that the document to be identified was the third partMM r e report and that mm-12 ie Part 111. It will also be noted that the docu-
ment to be identified dealt with Fluctuations in a Stream and LEN-l2 deals
with Fluctuations ob N-2. It will further be noted that the document to be
identified apparen deals with Diffusion and Diffusion method, and that ISN-
l2 relates to a Diffusion Plant. Finally it is to be noted that it was the
custom, according to the Atomic Energy Gommission, to assign the NEH number
from a central source inachronological order after the project -had been com-
pleted, though on some occasions the numbers were assigned ahead of time to ,
refer to a particular project being accomplished. The Atomic Energy Commission
stated that the chances are that the numbers were assigned to the document in
chronological order at the time the document was. prepared but that they cannot E
be certain of that. WJ
The informat on i'romFconcerning Rest includes a E
reference to "work on his speci ty which gives rise to the " lief tha Rest --'is identical with the author of the USN document mentioned by It
furthenappears that Rest has a knowledge of Atomic Energy an partic arlythe British aspects. This would suggest that he might be a British pscientisjisaea
. e $1The British Intelligence suggested four possible candidates for C
' - identification Idth the Soviet Agent Rest. '1'hqY are Rudolph Ernest Peizsrla,
ed t N Y k D ember 3 l9l»3 visited born in Berlin, June 5, 1907, arrlv a em or on ec , t
Los Alemos in February 19414 and again in Hay 1941», .ma1-rted and accompanied byuife. G. F. Kearton arrived in New York on December 3, 191,3, returned to th e [4I
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. .C92 SECRET 1
United Kingdom on a visit on February 18, 191494. He returned to New York
on March 16, 191+!» and final]; returned to the United Kingdom in Sqatember 19141;.
1>r- Tow Hilton B-oyle Slow-me arrived in New York, February 16, 191.14, he wasborn in London, lhmglsnd on December 5, 1922-'and traveled to the United States L
1931 at Ruesselhtenm, country unknown, the son of Emil Fuchs, who in turn ,
4 - ' 933 from19:41 to 19143 was a Qedicalhohysicist at the University of Birmingham, England. - - _
' In November 19143. he was posted to the Unitedj States on an Atomic Energ ' -
Oonmssion mission. He arrived at New York City on December 3, 1943 and_p!__as&____'_/
"Posted to ak Ridge, M-lgut 1J4, 19414 and left for the United Kingdom from
llontreal, Canada on June 28, 19146. In correspondence about the administrative
arrangements he was referred to as Dr. Karl Fuchs, he was closely associated _, .,
during his visit with Professor Peisrls.mentionsd above. Psicrls landed inli the United Kingdom from the U.S.S.B. in 1931; and became a naturalised British I
1 subject in 19140. Fuchs became a naturalized British subject in 192.2. He is A" 1
now a senior research worker at the Atomic Energy Project at Harell, lan
The Britih further advised that Emil Fuchs, Senior, the father of Emili
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on British Passport #35235. ail Julius Klaus Fuchs, was born December.29, Q:
born lav 13» 18'?!» and was a professor; idinglin Ge . ' --4 ml Julius Klaus/Fuchs land so rife dmzw m 1 and " 1
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JuJ.i.u_s Fuchs visited the United States on April l9L,9 traveling on a temporary I
traveling document in lieu of passport issued in Berlin, Germazw on October
6, 19107. He returned vie. the United Kingdom leaving the United States on 'about June 15, l9h9 UL
The British also advised that a reliable confidential source reported
that Fuchs received a letter in February 19147, from Hrs. Klaus of Harvard Z
University, Cambridge, Massachusetts, who signed herself "your sister Kristbl."
It also appeared elsewhere that the name was "Kristel". It was believed .P°ssihle that her husband's first name was % ' .
The Bureau files reflect that the address book in the possession of
Israel I-lalperin, Soviet Espionage Agent identified in the Corby Case, at the
time of his apprehension in February 19146 contained the following mtry:
"Klaus Fuchs, Asst. to M. Born, H4 Grange Lane, University of Edinburgh, Boot-land Camp possibly comp! N.-Camp L., Internment Operations $1-ivstel Heineman,55 Carve]; Road, Watertown." The phrase Camp Iris enoircl _ , loo-3142-972-3§ w
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The Bureau files reflect a Sec ity Matter C Case on Robert Block
Heineman and his wife Kristel_"Fuchs Heineman. The file positively re e ,
that lire. Heineman is the sister of Dr. Karl Fuchs. It will be note in
connection Iith the notations in I-1alperin's address book that Kriste Heineman
resided at 55 Carver Road, Watertown, Massachusetts prior to January 9&1. In
other words Halperin had m address for Kristel Fuchs Heineman that s eyears old at the time of his appr&msionm UL -
The file on Mrs. Heineman reflects that she had the,- owing relatives
outside of the United States as oi February 191.2. Dr. Emil uchs, Be ,
Germany - father; Gerhard Fuchs held at a sanatcrium Jurich, Switzerland brother, Dr. Klaus Fuchs serving in the English Army -1 mothe u,
A The file also reflects that Hrs. 1-Ieineman toldQniormant§éhat she had
lived in Germarw when Hitler first came to power and that er ather and brother
had spent some time in German concentration camps. She said that her brother
later went to Imgland and became a British subject. She described this
brother as a very brillimt. scientist and said that Einstein had smt for him
to help work on the atomic bomb, and that recmtly he had returned to England.
The le does not clearly reflect the residences of the Heineman*s.
It is indicated that they resided at 1141; Lakeview Avenue, Cambridge, Massa-
chusetts until 1914.1; and possibly until 1916. It also reflects that;in l9l.;h,
Mr. Heineman at least had the address of 320 South Plymouth Street, Chicago,Illinois, which may be the address of his parents;¬K!6! W
Inasmuch as 19M is the pertinent period it should be noted that
according to the file an occupational certificate on behalf of Robert Block
Heineman was filed at his local draft board on January 17, 1941;, by the GeneralElectric Company, River Works Plant, Lynn, mssachusetts W
By letter dated -July 18, 191414, Heineman advised his draft board that he
had applied for overseas ambulance duty with the American Field, Service, 8
Newberry Street, Boston, Massachusetts. As of August 19b5, he notified his
draft board that he was employed as a teacher at the Antrim Public High School,
Antrim, New Hampshire. In May 19146, he had returned to Cambridge, Massachusetts
where his address was changed from 11¢; to 91., Laheview Avemne. This appears tobe his lest known address/.Fr *l$ u__ ~ _
The file reflects that Heineman made a trip to Mexico and registered at
MP i'the United States Embassy on February I5, 19147, giving his address as Calls
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Idelfonso 71. He resided at thieaddress mu lay zo, 1%? under the name
of Authuro Helnnsn. Ihile in Mexico he attended classes at the University
of-Mexico. On lay Z!, l9h7,he left for Chapels, Jalisco on a vacation Ihere
he planned to remain until the end of am 19-'47. He left Chapels enroute _
to the United States on or about August 19147. During this time in Mexico, he
received e letter in care of the United States Embassy from Alma B. Heineman,Golden Beach, Hollywood, Florida. This was most likely from his mothe1~/.#!/$9
"It has been determined that a captured. German document which appears
to be a list of persons compiled in 19141 for the use of the German Arm inthe invasion of Russia Lists the following: 4;¢Lg>
» "Klaus Fuchs, student of philosophy, December 29, 191.1, Russelsheim,
RSHA-IVA2, Gestapo Field Office KielipfH ®5'Gerhard Fuchséf October 30, 1909, Russelsheim, student RS1-IA-IVA2,Gestapo Field fice Kiel.Q3J A
I
"Dr. Fuchs, Jew, Director of the sick md in Ozernonitz, RussianN-Agent, Bukowina, RSHA.-IVE5, Gestapo Field Qffiee Breslau."'é-Va
The translator of this document submitted an analysis oi the file
numbers. RSHA stands for Reichesichercheitschauptamt, which is the central '
office of the Security Police. The roman numerals IV refer to the idepartment
of the RSI-IA. The file IVA]. and IVA2, usually assigned to German Communists.
The majority; former German Comlmmist Deputies and German Communist Writers,had the file number IVA2/ mj g! pt
A notation concerning Dr. Fuchs is set forth above as he might possiblybe the father of Emil Julius Klaus Fuchs. In that connection the file number
IVES scans to concern key GPU and NKVD Agmts, Es i ge and Military ts. ..u -3hW15h; page l63!lBureau files also reflect that the follo persons arrived at .
Norfolk, Vi.-rginia aboard the British Navy Transport I-I.M.T. Andes on December
1 1+
Klaus Fan.|.l Julius Fuchs, born December 29, l9ll at Rueseleheim,Germany, British citizen, naturalised July 30, l9l.2;e,,,!' ®
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Christopher Frank Keerton, born February 17, 193.1, 1ustall,'Staffordshire, British citieen;@,6- ¥!,,_ 1 .
Rudolf Ernst Peiez-ls, born June 5, 1907, Berlin, Germany, Britishcitizen, naturalized mu-an 26, 1940 at Lm®n K
Eugenia Pederlc, born July 25, 1908, Leninpad, Russia, Britishcitizen, also naturalised March 26, 19140 at Mn®n W
It was learned through the Atomic Energy Commission that K. Fuchs
arrived in this country on December 3, 19143, and had E51! pass number 8795. '
It appears that General Groves had been assured by the British Supply Council
in North America that all the British aliens in the United States engaged in
work of interest to the»_1£EID had been cleared 117 British security prior to
their departure for the United States from the United Kingdom. Fuchs wasconnected nan the llanhattan District Project through June 191.6 H was 57>/1*assigned to Los Alamos. -He returned to England June 28, l9A6@ /A t
According to the Atomic Energy Commission, Book II, Gaseous Diffusion
K-25! Project, Volume III, Designed, Section 15, oi the Manhattan District
History reflected that Dr. Fuchs was one of a group of British scientists whodeveloped diffusional separation processes. This rqaort stated that dur:Ln§the period from March to June 1.91-41+ which period is pertinent to this case
certain manbers of the British group Measrs.C. F. Kearton, R. Peierls, K.
Fuchs and R. Slqrme were stationed in New York, and on request from Kellex ' .
and with the approval of the War Department undertook an analysis of certaintheoretical studies which were summarized in a series of reports, the MSN / ,9series, which were helpful in anticipating problems of plant design.
- The Atomic Energy Commission furnished a list of reports prepared by -
Dr. Fuchs which is not meant to be complete and which is not being mentioned
here except to note that it lists one report prepared by him on July 26, 191.9,
entitled "Shock Attenuation in Rods, report no. LAMB-2,02, classified secret.This purports to be a list of reports prepared at Les 'Ala:m:%,._
The Atomic Eiergy Commission files also reflect that Dr. W. H. B.
Skinner and Dr. K. Fuchs were cleared to visit the Chicago qaerations Office
in November 19147 to confer with Dr. H. L. Anderson for a discussion of un-
classified and declassitied aspects of neutron spectroscopy. The file reflect-
ed that Fuchs had participated in dec ssiieation conferences among the UnitedStates, Great Britain and Oe.nade: ,vfy '4
1161?
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It is recomm ed that the attached memorandum szmmsrizing develop- gments be delivered t - ' wry -...4...-,. 1».-.>..- . _- . .1 _.-m-1.
-- - - .- - > -. _i___ ___ __,____,-- -- .--._______. __.-.7,
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Attached herewith is a letter to the Field to institute separate 95/ .
espionage investigations on Dr. Emil Julius Klaus Fuchs and Kristel Fuchs
Heineman. It will be necessary in the latte:-; case to develop detailed infor-
mation concerning her activities in 1941+, to determine er or not they
coincide with the information furnished oncerning contacts
between Goose and the sister of$3 Ll!/pg
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There is attached here a blind memorandum Ihich~h§d""en I,»
prepared for dissemination to their assiatanco 'in connection with this" matter. 55
. The a tlached memorandum identities the individual kn
Fuchs identifies eiliE|-as
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Recommendati n: _ 0' _ byDeciassy on: n pig]Q
- It you approve, this memorandum ould be returns to Spooi ..'1'1P1wh,i- A-
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u 5-@%§g_%33~ q~,,,%f";£;. Wu ~ $%»<-,w| e11<-w#- "-1A En am 15 1$La,'am. m-mm tq . 1-qn-uquuvd 0! Soviet.Intelligence i~'..G.IL, Part III oi 1 damamonnur idmtiqd cl 1158- '.$92icdooaantdaLodJma6,J.9MiIcu!11oIithbhn Atom.cSnnrg_7 :I nminian and in mtitld "Fluctuations and ab H £mm ._____
Plant", mi Part. III qncitically rein-I to "Ibo ltloot oi Fluctuations
Ln!-hol'1oIctI." lhocaig-utiaa&SRQ1,n:ub fordamnlmlpropordby British uho sure in Rn York City working on Atomic tau-gy
rematch. The author of this doowaant is K. Iuchl, mo in actual]; Emil
Julius Klaus Fuchs, who Ll utually km an Karl Fuchs," Bo it I topranking Britilh Atomic U!
lnturmation mmilaulc concerning Ron tndicatéd that he was a
Britith uicnt-int, inasmuch n he had 1.190 urniahad to the Swioi
Inteliincnce intoramticm concerning British participativn in tha Music
1'-.¢iergy dpvolopmuut. It was also indicated that no had a sister in theUnitud States 92 > indications that Rant was atualh the author
at the ' - ~ .W-Q?
Fail Julius Kim: Fuchs aha kmurn as 1'-u-'1 Fucba, ns born
December 29, 1911, IL ihusollheim, Gurmw. His father, B2111 Fuchs was
born Hay 13, 18714, and was pmtoaaor Ln Germany. -Hail Julian Klaus
Fuchs unto:-ad thy Unita Eixgcbm in 1933, and rm 19!;-1 to 1943, was B
moéical phynulst at the Uuivu-city oi uningham, Englamb In liovember
19:0, no In daaignatod W t-MA British Government.-to com to we Unibaq
States as a part. of the British Atomic Salary Cominlcn. Ha arrivgd a$,_
Nun York City on Dumber J, 191.3, and lint. go Lotilmoa or to isalciftiagu
Tannosaoo in mgult 19%. Tamils in the Unitud Btatoa, Fuchs works; -aima group of British noiuvtiatl in mo period of lurch to Juno on
the duvelopmmt. of diffusional operational processes vm-king i.¢ul:uJ,y
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k In Iovclbot ma, man up hook 1n tho nun: sum mo um.
ad the $1-16130 Qvltiono Ottioo at the Atomic inc-37 Cockatoo. Mi that
tin, be at-knead discussions rogardlug moloultlod and ooolouiad
npootl of out-run ppocwonopy. Ho olno pwtiuptod in dechuiticntion
oontonnooo tick in-0 him hold batman 1'-he Unltod states, 0:-out Britain
ml Dunk. Nob! 10 prountly the senior nun-oh worker at the AtomicBurg Candlslon |:|'oJo¢bnt Baron, Eng1uz:l.r-My
Fuchs ha a aiotor, Kristel Fuchs 8'01-noman, no prior to January
1951, raided at 55 Carver Road, ?mt.orbou|1, I!-lslauhuutti. Frau: approxi-
lately 191,1, until about 195, the added with hm husband, Robert Block
Human st Mk Ldwrio-n Aroma, Cambridge, Iuuohuntt-I. may prooamL7
reside at 9!; Loki-view Avenue, Cambridge, liasoaofmntta. Robert Block
lh1rnmnhaoboonro11obJ.yreport0duoacnbaro!tMCoamm1nPai-ty,um. am.» or Maurice in 191/If 1;}
The add:-an book of Israel Halperixi implioatod in tho Canadian
Elpiomga network oontaltwd the tolluudngz "Klaus Poona, Mat. to I-5. Bom,
B14 Grange Lam, Univusitqy of %inbux-gh, Scotland Camp poaulbly 0053;»;
N--Camp 3..., lntorzumnt Operations - Kristel Heinemn, 55 l2u'voQ._ Bead,um-u=u».~ 1".-u: phrase Camp L is oncix-clad? W '
' - In addition to the for-ogc>i.m a captured Osman document. preparod
p:-crumbly by Gama; Counter Intel} {gonzo and which rohtu to Coarzmnist.Party mambo!-0 inuormny-contains the following: PA
"Klaus Poem, student at philosophy, Docombtr 29, 191.1, Hunse}.aJ--.e1.m,
R53».-IVA2, Gestapo Field Office K1o1. 92;!
"0rhard Fuchs, Gotcha 30, 1909, hunaallhdn, mmom. H<H1o1J~-2Uilllpo nae Office Kiel." M3 -
xx. 1| 1.» bu mm um-. Gerhard mu 11 am bu-other 0 mmJulius Klaus Fuatu,{! ~
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. n nqmuction with Rent, who furnilhed tho document 23:55-12 and
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Iietor In e ecnhetj , i920"hee e loientitie bock- "_
puma, You L11 lahd prepu-lug o work on the px-o¢uc- _tion method with reppeet ea-ml dlttoeien of g Lb}
'. Ieuuill aloe :~eca.11,9ue, Ihohuoot beonidnntifiedneeleo
e contact of Abraham Bmthzxan, e Coaeulbing Engineer in in Iork City, iao fulfniohed eepioqnge inferno. M iubeth Bontlq in 1Iu0.@ UL! ' It in thought tho poiHy he identical with Arthur
Phineaa Sober, rho ie present. an employee of tho Belle: Wrporetion which
ie engaged in work under the atomic Energy Cominion. Weber was horn kin:-ch
10, 1920, in Brooklyn, new York and in 1 oha-nice]. engineer. from 19M to
1942, he Iorked with Brethuzan fer the Hmderick zsanuhctuz-in; Company. ' From
June l9l¢2 ho July 1944, he worked Iith Brotlmnn in the Cheanrg Deni,-ign
Cerpu-onion, end according to acme information during A put. oi thin "period
_ho was also working for the Kalle: Corporation. Faber list! onploymont with
Kellen Corporation as a chemical engineer from Joly 19M to 1-larch 29, 19b6,
and again from _-'8p1'Ll 8, 191.6, to the present. It ohould be noted that the
Keller. Corporation nae closely working in 19514 with the British Scientist
Z103? vrhioh included Puchan M
[_z?»_*I&'§§ V~! _ _b _ _1 W- git}: roe t. to q:»5f wm 1, 51.1./,¬1¢_92a Heilig Q31 onedin believe to mliizoaoro Reilig, o I§e* o_e'Fn"iu,gult 6, 1897 Jo:-sq
City, New Jersey and raaidao at 126 East Walnut Street, Long Beach, New
fork. e is ma:-ric.-cl and his l'Ii.1'0's name is Lee Heilig. In November 191.2,.
Hoiligg famed the T¢;i].Q92: Chemical Corporation. Phil corporation received
Gaverrumnt contracts £0!: _t.he ti Lling of mctql bromide onpoulea. In July
1%}, Heilig formed thoiiogal Chmneol 60:-porntioa which received Goverment
contracts for the filling of eeuynsol containers with ineectioide. The primecmtractoo no the Bridgeport _
In zcbober 191.3, Abraham B1-euun krthur r. {Saber became
eelooiated with the Tadlee Chomiod Corporotivilb-iioing work for Heilig under
o contractual agreement to .n'or'.; on an eutuutia hchino to fill eeroeol
boobs. In on interview B:-otlman claims that in April 1.9M Hoilig offeredto oak for a draft deferment tor 2-eber if Brothmn uoulolis-511 W01 $9 3611-£8
the automatic filling machine. rothmn refund to do this and broke up
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the Manic morgy aclminicn npgltal infatuation tam the
records of it-0 installation at Ina Alma to the aoat that Fuchs
no at Inc Alamo: {run Donablr I944 through the latter part at 19156.
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PURPSE: _ _ WHERE. 522033: |'_11'_q5:Qm5-|- . i
The purpose of this memorandum is to ohtain your epprovel to advisethe Atomic me:-gy Cosmission or cex-331:1 aspects or our investigation on'° ° M b3°°*' "H92 6}'7§J92'ss|r4s0 oecssrons rmauzzo
Bacmnwm, _ _ av seen MENT no/new MR»Am Q, ]. Jig You are snare that o estigation oi Fuchs is ed on'1n:<>1-m.1<>n !~ received nhsrein we learned that on l est cover name!
,,, - P X @
-' Qhad furnished o a o e p onege ent in 19M, a docume t regarding
_ Atomic Eher designated as USN 1.2. Upon the receipt of this information werent to thekomic Energy Commissi and identified the document and found /
Fuchs was the author. The identification of Fhohs use based on this inIer- !¢.__
nation. The Atomic Energ Commission also through liaison furnished us -
considerable date of interest concerning Fuchs. llr. Rolender st the Atomic .g Energy Commission hes requested us through the liaison section to furnish ?him if possible the results of amr investigation we have ccnductqaéy!
on In vie! of the tact that we do not xgseminate to agencies informs<5!ohtei.ned £1-om there has n prepared e short memorandumto the Atomic erg ss o furnishing them the result of our in'vestige- L -
_ tion excluding the basis for our investigation. You mu desire to cons er
t1@_ed!;ig_eb:|lit[ or discussing this matter wit or o approving -i§§ the attached letter. ii S " ""." W 92~
1zncoma:nmx1'1oN= - £""":p£q i P- 9'. *"L =92*"--*~*-"c
It is recommended that we do furnish to the Atomic Energy Commission. through liaison the attached nunorsndum concerning Fuchs .05 .
Attachment: .,$_ _ ,- F6-- ,;z¢/.RJL:gn|n . _' RECORDED-131:1 *7Classied by 54 PW/lmw @,§§,EY§§'2n?¢§ 12 001 2¢m::»
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___ _ ,__ >__. .. -
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SUBJECT: ICLAUS FUCHS
FILE: 65-58805
SECTION: 4
H '1? W
2 . 7 ".'E-.~n;i O ' ~3- I ' '=92:{- 5 --~'F;. ;;.=.. . _ A "» - *3 e t9 A feranco in made to our 8/9801. dated October
' '5
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j' i:<_§ T / __ . -/ _ November _7'f,i9bZ¥_5§ E
. / . . , - _! _ - _-;_:.'_. r. l 49
» An episode had occurredihich to some extent -
1" modifies our previous thoughtaoh this subject an92iv-'hich
n any way endangering the source ,0
Officer at Harwell Wing Commander Arnold! with whom he is
on good personal terms. FUCHS explained to Arnold that
his father, who is at present living at Frankfurt, has
been offered a Chair at Leipzig University which he wished
to accept. Because Leipzig is in the Russian zone of
Germany FUCHS said that he was worried about what effect
t1S might n&V6 on his position at Harwell, and that he
had come to the conclusion that Arnold ought to beiawareof the position.W@@!
' Arnold, who probably Knows FUCHS as well as anyone
does, reported the conversation, stressing that, froze FUC=iS
uch e coni ioence was root unusuei since he is norwilt"1c-most reticent and self-sufficienti of n.=en.m<y%¢|!
. Arnold reopened the subject a day or two later
and, after FUCiS had reiterated that his fni_2r was unlike}92.
that pressure might be brought to bear on him through his .
father and, if so," what would his r:-actions he. FJC'-1S.
I
that ho could he induced to C§."I!§Ju'I'htE but that he 1-bun
it impossioie to say vzkwt he might feel under aitenld <
circu...stances. Later in the conversation he aszaad
Arnold - heth-zr, in his view, he should resign fr? -S_rle1~l,M to which Arnold made a noncommittal reply._.... - om . "F "0 -/ x1§~ ~v:r~» .92._.-1» Kc gaaiiqby - _ -> IQ} ' ' ., ._ .E:¬}-.i,§¢'{|-om GD atcgory / Z1¢~ 4 . ' " Dillu uI .-:cc;:92.r.- .11 on " of HUB ., EC!-F c s - . "i k
._ _¢,_ '
29; 191,9 iftout the above named indiv1dual.@1,L
: K. J
may offer an opportunity of interrogating FUCHS without b I
f I
D
Y .to refuse the offer, Arnold asvzed him W;;Qt'.;-11 he feared - --_ 1'
. W
replied with some care, that at ,"-resent he did not _f-eeéf
r- -ZFUCHS has recently sought the 'advice.A_o!' the Security
92
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*%$L faudr Headquart s a examining the proposal that
Arqoid qight again intorvio ,EUGBS informally and, by -
1cidLn3§ha conversation round to a-ciscusbion of how.
- fqggpoaic behave if the Ruaoiana did.app1y yrossure =
thrcu3h.b1s father, so load to the diréct.§estion of
wnothor FUCHS had ever come into contact with Russians
or with members or the Communist Party. It is Just
pcaaiblu that such a talk might load to a confession if.-
FUCHS really wants to unburden himself about his past.
But oven it he does not oonens to Arnold-no hope that,
.. on the basis of the attitude he adopted, our Headquarters
_§=j would be batter able to assess their chances of success
H "_ were FUQH6 later-confronted by a direct aocuaationrin o
a rormai interrogation ' $his preliminary step o uld.2 in no way alert FUCHS £01» compromise the source. bij it
. We would ap reciate your comments on this A!latest development. ® 4
4 A
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Iwnonlllulltoyour 0/1noonnum»u7 }.'&i#§;!8'ILl that 2:11 Fuchs apps»-1:30;! ilk ' = ~9292* WHO! at 5
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of ma hthlr allows aa by.-vo2'%=n&ty 92-<1 taltltuh UM-In lain an i_.nf<>rm1.
' an-I gculnl lilcnsina nbr.-at his tanking: Ilthmt that nIe1'..&1m-or attaining the urtglnal neuron at an: ialonitl
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C2Q SEERR V1 .,|_>.
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Mr Ladd
'_ ,. _ . .,;..|./,r?..1a?I-92-~
29,
rmauzm _ 117
above namedindilidualt by U - _ _
"" eadquortere"'e1§ fh¬§f §f @533 opinion that ..-..
ti eu lied b you FUCH has * ;Uh.' 1igh~t'o!j informa on r -A 7 ,_, .proved »be o In e_one*bhe*>;>qméjit.o;M1d.ig1
ov e agent REST and iey feel -that,-the time
to recommendations for actionTjl >,~ r _ _ _ __has now c'o*me*to-mike defini - . ' _,
,-*1 *e;9.v_P,r.1%,=1"~h *?#!*¥<392*-?1»_°»1#.»!!.§..@P$! y>' "'.i.3;;i;" ii
' A ' Ie know that in 19A£'*"FUCHB-ids a Soviet agent.
Our Headquarters have no evidence that he is operating
as a Boviet agent today. After some weekad the fullest
tn t he is still
active," nor does he appear to make any oontac a 0
icious kind We fully realise, however, that hisgcoverage nothing has emerged to suggest at 1 a J1929 " ~92'~ ;
J
susp . . ,contact dates may occur at most infrequent intervals
There is at pr_e_eenti__n9__gy,i,den,ge Jhich could
" be us edto p1"'osecute' "hiinin a court of law, and we cannot
specify any period of time within which, by continued
investigation of his case, we can guarantee to prove
" is not currently engaged beyond doubt that he eit.xer is orin espionage. Wk __
' In view of the above our Headquarters feel that
*1 they rare bound to advise the appropriate authority t, at A
d m lo ment of FUCHS at the Research Station K
and the n V ,. | E2£ .LGT»-.-EZE. . -
e 9 We 1ré;+.sie.»r-:33
I: 1 £593 rm» sum r 4
Clneledby P, "J§%/I/4,11 $ii'{¢i'595"'"P' B-19 ¢~=*vB'<:ZwL,Z,2 " Pldhssity on: DR ..I Date n|3cclae in ' 117'»-..._the continue e p y
at Harwell, England, represents a grave riax to SGCJPI ty, 92- _t i consequence he should be removed from 1t. L9,-
_ 7 . . .1. . -
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Before our He'adquarte make this recommendation, however,
they have asked us-"Ito present to you the full facts of theBritish aspect of the case:A® _ -
' i! Our Headquarters are fully conscious oi the '
A factthat the -case of FUCHB is only pert of a
much larger investi tion upon which you areengaged,-_ M I t .
That the-position and status oi PUGHS is such
that the operation of removing him "-from Harwell,
however it is achieved, will certainly 1n_volve~
supplying him with some explanation which may
in turn develop into somethin not far removedfrom an interrogation. bk >
Our Headquarters believe that in all the circum-
stances an interrogation of FUCHS is, in fact, the step
which is most likely to lead to o satisfactory solution
of this case; and it is one which they would like to take
as a part of the operation for removing him from his work
at Harwell, Before coming to any decision our Headquarter
are anxious to obtain your views on the proposition that
FUCHS should be interviewed, and, in particular, to haveyour comments on the following questions: M.-
! ~ Do you consider that it will be possible to
obtain either from the source or from your
current investigations, for instance, into
the ElNEEANs or HALPERIN, further material
implicating FUCES and useful for the interrogationof him? ii you consider further material will
e e bcom ava a le, is it possible for you toindicate when w urtner evidence mightdevelop? W
Since an interrogation of FUCHS, whether "or
not supported by further evidence will involve
a consideration of the risk to which the source
might be exposed would you be willing to give1!
1!
.'- < 92 ._92 , -W / A I PH ' fr y _ t xx ' ;' -' vi '92 ' e 92 e
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a ' r" f no-further evidence is forthcoming,
t1 our _r_te s are of the op_1n1on that s plan can be
- , 4¢v1'asd' tyle interrogation of FUCHS baud on information
- provided by you._ For instance, you may agree that the
information from Israel HALPEhIN's-address book, the
tact that FUCHS brother-in-law was a Communist and the
information co tained the captured German documents mightbe us_¢a.'1;5! > A
1, ~ t .s.,.-§.Our Headquarters wish to assure youthst they
will await your comments before taking any action in this
urgency of the need to take action to remove the immediate
danger to atomic energy security, both British and Americanmatter, but they are sure that you will appreciate the %
92
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1'0-" . nae-._ use -F om, I amt» 2,;191§9
ROM = Ir. . J3. Fletcher /J . 85 I' v=mc'r= sun. JULIUS xtms » emmea ,L¢%2z/'/. rs _EPImms; . I W A; Dadasm . pali . i J , ,:u_;4,! wept 7/P/1b é. ' .. . ._ ;.,
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I_--' e so of s nemopandaan is to call to your attention the 5* /
ranitica or our investigation" oi!-his ease connection with the . =o _ mieuea mmrmauazi October 29, 191.9 I ' 1H ii , . -nacxcmoum 5! 5 " 7"; "3 . t, Gib
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| I 1- 92 L!T!."5 1- ',- The information w §i1oates th ollouing t ' t v ov io e - oonneotionwihhache aoi yase__ pnag Ag : Q ___
'1. om Goose Soviet cover name! was using Kristel she I-leinemang _
as a out-out in the Espionage activity. We have instituted an go
investigation to identify Goose. This may take considerable time '
and the effect at an interview with Fuchs on such a.n.investigation" 7?, ~;"
is problamatical. _ -'1-_--l_::{>92¢L¥!2. We are active]: investigating Kristel Heineman whether thi _
will develop information of valueooncerning Fuchs sill depend I
on our ability to trace her activities in 191;-I; which is difii I
but perhaps not impossible. Ihile this investigation nub be -1 3!
jeopardized, a successful into ew h hone will materiallyassist this ir:vestigation. A 1,4,! v
3._ We are instituting an investigation oi the Ten who received
espionage data from Fuchs. There are indications that the Ten "
were Soviet students in New York City me were being used by theE M11.0.3. The identity oi these students are not known to us mt. pd; ! 1
investigation may identify them. In 0.1 likelihood they have
returned to the Soviet Union and therefore an interview of Pu s -_._ Pprobahly would not in any way Jeo so this investigation. :__z;=§;
- ' ' - - t -=~-/,1-*.-f 1._.,_ §to mu; 111.1 be m right as we" are eoncernqt. j- e mo: on-tcurrent investigations cannot désernrlned with.__ _degree;o.f sccxii-agzp ? ,}.-Kg ??? the attached memorandum ti A also that at all cos 92the origiml source gust eo -,. _ -L" A 1/ Y" :1 "Attaohmenteé nail} m. .1/f//4_I _ ' ~ .-/; .-o---» ~
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keterence is mace $0 your memorandum 7481
ated October 25, 1949 about the lbove named indiv
lth reference to the final paragrap of
your letter, GURt~.':.! visitea the Atomic Energy hesearcn
Establishment, daruell, on Boptaabar 10, 19$? in
consequence of a provloun-tasitation to do no by
1r John Cockroft Sir John Cockrott being lbset
at the time, bdhbi was rpceiveu by Professor Herbert
kinner, in nis capacity as bir John"! Qeputy
so mvt §dCdb, among otner scientists at ddrell,
§oCJS appejr to have assisted bklnner inconouctinu hi" round tn» est.ab1i=»hment.]@ lu
CUh.H£¥'s cor.t¢ct with FUCb upgears
t*1181 re t.'~ now 0 en only inc1de~at.=l in t>== Cu92...1Se
of an official visit to th A.b.n 1" Tne on_1act
CL the vlsit was ae~cr1bed as "unciussifiea discuseione
it is come;ue*92tu to b» assm ac toot uU:*I E1 Q:not given ccess t1 secrnt lnformhtion LE?
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No record of sizb act at Kellex Columbia»a
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yosga 1 e. ase a ional Bam: has no record
of subjects account, Q P
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egw ¥r%<%:" Bureau letters, 9/22/119 ;31/119. ; I
Report oif SA J. Jerome ma./mell, 10/20/h9_,' E1 Peso.Report of sA_ H. Dudley Payne, 11/15/119, Washington, 11.0. '
No record of subject under his true name or aliases .
I could be located in the New York indices. f 'mftl 6 A -
.-I - A review of .Imigration and leturalization records,mam? = "D Columbus Avenue, New York, reflected hie aw into dam the United States on November ll, 19!-17 as KI.-AUDE-'1AIiS :
. himself as a British Government Official, -address, Lacies Court, Abingdnn, England. No United States destination was shm.m _Thesil regoz-dag did r1otJshcm ig£.;¬S'entry into the United States in December, 19143,".nor s ep urein une, , . >
COPIES DESTROYED_ -» - . »i R47 No 61960 However,-t!'1ese records did revealfthat subject's
unnovm > ' A r" " r ~ ' - e
pgpg aux XlBYHIl1l92Il'92'HI 1 "it _ 7 7
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1. " 1_ age 35, under Visa #V-1.161431. At that t £ed V 'D LASSIFIED BY " d.¢p*- 1; ' SlFYON:25 /i
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.father, Dr. ER£l%92lCIi.S, ago 711., arrived at New Yo:-k on Ogtober 10,-19148.
He was admitted an April 9, ~~19h9, "which was later extended to July 9,
19749, -Dr.-mm more 1=r+. the United 5tates on July 6, .19u9. He was
hero e.s.{o._1ooturor, sponsored by Pendle Hall, 1-allingford, Pennsylvania,in cooperation with the American Friends Service Committee, 20 éiouth 12th
Street, Philadelphia, Pennsylvania. Ho listoct his daughter as Hrs. ROBERT!FHu1INs§7-iA_N, _9h Lakeview Avenue, Cambridge, hassachusetts. .
" ' No roocrd of subject could be found at the Taft Hotel,
New York City. It was ascertained that registration records are destroyed
by the hotel after four years. -
Confidential Informant T-1, of known reliability, advised
that no record of subject couldbe found in the rolls of scientists who are
now or over have been eznployed by the "SAH" contract at Columbia University,
New York City. » ~
The following investigation was performed by SA F. L. "
Yard:
Confidential lnformant I-2, of known reliability, advised
that no record of subject could be located in the files of Kcllex, Inc. , 233
Broadway, New York. A photograph of subject was exhibited to Confidential
Informant T-2 with negative results. Confidenti Informant T-2 exrprcssed the
thought that possibly the records of subject had bec-n_Ibransfo!'r~.;d to Oak Ridge,
Tennessee.1
I
Confidential Informant T-3, of known reliahiiity, was unable
to locate any record..on subject. Confidential Informant T-3 stated that it
was possible, if subject had been employed in the so-called "Columbia area",
records on him are nos on filo with the Security Officer, HERNARID I-. IENKE, Oak
Ridge, Tennessee. Con.£identia1_ Informnt T-3 did not recognize subject's
photograph.
' ' Confidential Iniormants T-la, T-5 -and T-6, Of known
reliability, were also contacted regarding subject with negative results. .
The remaining investigation was performed by the writer.
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_' The records of "the New York Office reflect that TONEI ,1-III..TOl%§KYRlE, an associate of subject, who was born on December 5,,
1922, at London, England, arrived in the States on March 6, 193111. -
SKYRIJE stated he was a Junior Technical Officer, British Supply Commission,
New York. He claimed-_.to be destined to Dz-,'.1'., L.;T:EBS'I'ER, Grafton Hotel
Annex, Ymahington, D.C. On July 2, 19hh, SKIRME was arrested by the New
York-City Police Department for failure to possess Selective Service cards-=
At that tim'o,=' he stated he was employed by the British Supply Consul of
North America, IS Broad Street, New York, as a p!-wsicist; His address at
that time was 339 Host 87th Street, New York, On July ll, 19hh, SKIRME
appeared at! the office of tho United States Attorney, Southern District of
Now York, with a State mpartment "blue card" attesting to the fact ho had
been notified to the United States State Department. t
" Confidential Informant T-7, of known reliability, re-
called that resided at 339 Fest 87th Street, New York, for about
six months in 19blu Confidential Informant T-7 stated SKIRHE lived. alonethere, Ho was unable to identity the photos of subject and RUDOLP$Y,P'.~2lR.iLS..-
, ' No record of subject could be located at Local Board 20,--
New York City, covering the Taft Botel u-Loci Bo.-_rd 27, covering 339 West
87th-|Stre-.t¢ Also, no record could be found inthe Locntor Index, Local"
Boards I-75, New York, Ne-"w York, and 133-lh? Brooklyn, N.-tr York.
Confidential Informant T-8, of knmm rolibility, stated that
Ir.-cord ofa present orgt moan a:uldh21a':a.oec!'at 1h:'Cl'1.:5e Bank, 18 Pine
Street main office!. This check covered all regular ccmmrciz-.1 accounts at
all Chase branches and all main office eccounts¢
» Confidential Informant '1-B also checked the records of
the Chase National Bank at 11 Broad Street, New York for special checking and
regular accounts-
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At New Yorki New York - >
. I.-ill conduct further investigation on subject as
direotod by the Bureau or upon information f1_n'nish.:d by auxiliary offices. ,
it 41- -If * 1- -I if
Copies of this report are being dosiglmtud to 'a.;1shin'gton.
Field, El Paso, Knoxville and Boston since those offices have outstanding I
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_ '. The con.fidentia.1.In.f__6mants mentioned in the report of
- SA John R. llurpbgy, dated at New York December 5, 19!.-9, are as follows:
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92 T-8:LESTER WATSON, Columbia University
I433 T.-last 117th Stroét, New York '
Kollcx, Inc., New ark City
I-LLRIDY UAISH, Security Officer,
ABC, Nowiork City
Hz B4 LYTZ, Socurity Officer, Kellex, New York -City
I-HLDYED PGHERS, United Sf-at-Q5 Engineers,
90 Church, New York City '
PHILIP 1"ALTI§ICH , Superintendent
339 92AI-.151; 87th Street, New lork City '~
A. RIZZO, PBr_So_n_c}.1 Officer, United States" ,
Engineers, 120 Wall Street, New York City
THOLLKS 1-lcGE.1HY, Offiqer, Chase National Bank,
18 Pinb Street, N.":1.-: 3'-ork City .
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_ 'l 'i>'1ea'ently being eohlduotbd are -h ev.e be n informed that a
e amalv. I replayed bs'_*=n@rBr1*..1@P M9112 =..§.n.rsr_!4#.§1¢n,in .' D I51? "!b'r1£'. "'I"t fa 'i'ep'ortiiH 't!i'at -the in ¢ooa'11y_reoru1ted '
4 A by Pl;IERL6 in Januar or February 1944 and at that time was -gt. _ _h___&_ or 23 !'ea_f_§ l. , .
_ .1.» _-_-_;4'_*"_,__ _;_;_- . _ __ ,, -,;,,"_,,.-j',r_-,_1 12.. _, . _.,._~._ I .
'_ " -5 It is believed that this girlis parent: -were ~
1 aussian born. It is also reported that she horked as amachine computer for PEI!.-JRLS and FBCklS.g! 0|,
When the British mission in New York was disbanded ,4
. . the girl in question was recommendedby PEIERLB for work
"r-" with an American agency probably at Loa -Alamos!, but it has ' §'"" been repored that her application was turnedvdoln on_ security' i g grounds u_ p I; H
- Our Headquarters are most anxious urgently to.
discover the name of the above mentioned -girl who was employed by FUCHS and PEIERLS and we should be grateful *=
if you can assist us in this matter. We regret that at,
present no further identifying particulars are availabke _
to us except that she had studied at e University andhad graduated in mathematicsm u/, _
b /H REC9RDED'w_ . 7
. " - > { ,. i~ -E» -___1 92ND?-W3 .>E_1, 47. use 131949 V Chssied
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@111! your-nmeruwum 7540 la _ D ember 6, 1959 hbout=a§ the above named individual. égg , A ' ;;;g Q' ' A _ .- -92L'e92v-1.»!-,u~'-»;.'|p;;-.-92>;>$ ,a§-.#' -.- . - ' * 5* "4 -' " T ' ' ."f;"73":;;':;:*:§ _ ' 92
~.- x 64 FUCHS was interviewed December 21, 1949
- we-are informed that he eithe volunteegeég/or adshitted
"'fl¬$§Ill-3-OH -we known 71:1": mexgrmma excepte s - .. A-._. .--- - __ _._._._._-___~__..-_~_-__...,-._.__4_..»--1-- ¢ ~-
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~~~" =1- 1y denied that he had no ed as an espionage
"~ .» ' " he was either unable, ornnwilling, to suggest
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of Atomic" Energy I111 meet in Londbn conAD_ece1:.ber 28, tqdecide that action should be taken regarding subject. -
.» 92.f ~'Je:.-' K ' ' In the meantime, FUCHS"£_'AA» bere-interrogated
and "our Headquarters as}: if any new, information might be,
available to ou re ardin this es"Lonage_network Y E S I. -
such information will be of the greatest. value to them.A113
e shall be very grateful if this matte; can be t1'Pat6das most urgent. W 0. V 0 _
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'. _ - ___ Z _ -- ...»T- . -_.?_¢- ---- :._...:~ -- v___ __" He 1» ' ' ' -' =1=~'k1;' -HW_,/ - . <:.'»=.__ -'1» -. -,.-. - Tr-,,,__.- =.» -- - Q; ~ ~- 1 .. _ I . it - ' 1-,: J1-7 '~,_ *.,92- . - - _._._ ' 1- - §-";._ .:.. ~ -'-'..¢* . - " " ___¢,§ H :1? - '¢ ~,""b~ qr 1 -_92 * 14-n%<Iy - ' .92 _ ' " ' T Ii? .A.-Me;-- $1, - '. wq 4, 'i_
. . .. -92 ~ - _ - - - ¢1 __ " , ,92 - . > "..,,.. .-.-- -. . -
92 ' ADV92I$¢.L L; An ,_ 4.m.| I _
°"" ~ ~- * 3:0IEQMED-M $137705-T5 .- an"; 1' 1," f ,-_
' bteetbiir, mam ' aura¢ puqQw@uu -~--" r!# ujD _9-nuns _,. dun-u-¢m=¢mm!n»ammia?__. namea l°hn Q: - . e ' - 1 I "*»"*2"".*.;'!=:**1"-2 -;'1.;.'-
mar ma .5»;-1-= 22; 1949, me
In Lnterrlend on Ileelr 1949, at Ihichahitted an u mm teetetkuy.. e #IP¢I.I@!.. 91to -nggeat my ha
of inforndm. Inrtt ilkiil 11 QQIIH
Aomlng ejihte eeux~ee,E-tame Britilh htneetoreto at and-e may
foneetlnmndennleonber , 19A9, todidhdntpeaaebndberegarding 92 '92-
?
w
te
at mobs Ill in csnhet I. nesenmh group at Oolunhh idle:-11¢
van carting an behaitlot llq, Lt-6., and xgfthar, at tl:pg.gI$.*_: ihon
Fuchs Iould nnrnJ..].y Mn dealt as named cohen. herb: she dated that an
the IBN an Ind pronheul prtlcularly for the research group at GohmmaUni-vex-ei:3X92q " U
92§-k
Intonation pavleully tumiahed by the Monte Energy dominion
ganling Fuchs ntleete that the B! eerie: related to the l.L¬1u1on Project.
lint of _lcilmt1ltI Ihn lid recearch Iork on the Dltfulion Project. included
- themneo.tlpr10ehn¢n1ln1dt-obepraeant1792d.ththn!Oubon&
' Cubicle Chilled. Germ", did: 10 probably identical I192l the Glrhide Q
Du-boa chnieal Oorponm, N hat 42:11 street, lei jerk pita 17. It 1
1- &pp0I-PI nu memuen Implied by apu'om='i1-u on-mum » 1r." L 1. when In bed of Division 4 of the lltnltnn Project. Oema1ti'ao.@j_!
- ' -~ . 1 &$;EM'i- -
Dr. In-1 Pally when III the eubJeg1".'o'£ u': A,ppii.eent_- Atcnie Bnarg '92
Act investigation. In Ilq,'1~eee$.ve¢ by ' 191.! 1-an ¢x.mu: an mp» naanm uuau121=z§u-ab! nnm-x 5 aid B
__. ., .-- -to.-<_--~-no,--@<¢-I_4-n_--Q - - -.-I-.k - c- ~>._»d-.l¢--
oo
. 1 ,'92 ! ' _ ""92 t.! I -Ll! .. ' i 1 -
l I
$£&i'§//A0 v tho qupltoolit Lnnottgoon, cohonottomtod /
Oolnohio Unlvorli. _ 1- 1929, to 1936, ad aooind AI, AI, om:lb-D Donna. Io lttomoi iho who to rpnoo, In-Lo, tranoo, tron 1936
$0 1937- Illtlllhll -Vltlflll H!-I Ind Iilotod that bl Blond inohodotq, and that hi-0 noord no onoollnh in .
Oohouio povlouo Qplnyunt to ohom no 1938, Rootdont Losllt-out,
Ooluohlo Uni-vorotw, In tort; 19 ; Sdmttrio Mott ooohor, Gui »{p1-obohly
0.0. for Oolxllhh Ulllilrliw!, Million of lug loooroh, In Iorkg 1.9 ,Plvdclot, Qunhrd 011 novolopnat Oooaum llioohoth, In lorooy./ u
mo rooordo of Oolunbh u!-voroiw, Govomoont. Gontract Ilivloion,
diooloood that Gabon mo boon upland no o Qonmlt-out oath tho SA! Liber-
otorioo, In tort Olw, Inn July 1, 19140, not-11 April. 29, 1944. I; ma
rst on-rod oo o contractor lib OBI! and tutor rim tho llmhotum
mginooro» I10 rooord. no good. lo bod on-no oo Loaiatont to Professoraomld G. Brow boron Pnotoooor Bhlro to-anotor to tho llnivorsiiiy or 0h10&go u>
tho roooréo of tho Stmdord 011 Gunny of In Jorooy afloat. that
Gohon no onployod by that company only 1, 156$ It no tho undo:-otonding
of Ir. A. V. noon, D1:-actor or tho Dovolapnont Divinon, standard oil Company,
that Cohen nod boon highly roooomondod by ono or the Vino President-I or the
standanl 011 00!?!-IUa_ Ibo rumor]; had Iozkod :7 closely with Oohon atColumbia Uninroity-. *u92 1
Aoooz-ding to tho PBQ, Ochoa bod tho follooing prior oddroooaa:
Q0 Ioot 123:6 street, In York City}
I00 Iost 108th Street, New York City;
15 Boulevard Jon:-don, Ports, Pnnoo! "
$8 Eootorn PI-tk I0? Ir00n¥n0 II! York;J19 ! Int 1091'-h Strut, I01 fork Gitykiuv
According to tho mo torn, Oolum unoJ.o:l from Soptoobor, 1936, to
Iovoabor, 1937, to tho following oountrlon
M In-um Inahnd» Ivlaiwu Italy»
llxoota, Gunny, Poland, Aunt:-to,
!921aooh11o, Groom, mrkqy, »Bllt-larlond, one nonml. .10
mic trip no for t-In pm-polo or ohm in Ironoo om tonal. Oohon
again visit-ad homo tron Juno to Boptmbor, 1938, to got nor:-iod. Ho has
node mxoerouo u-1. to conodo on bulnoom Invootigotion boo roflootoo thatPassport no. 337,80 no ioouoil to Gohon on Anzuot 8, 1936, tor travail to
1'1-moo, nngland, mania, and other oount-rioo tor pnrpoooo of at.u& and
naval. this poooport. no ronowod by the Aoorioon Consul, Paris, P:-onoo,W =1~ 1%» -on
92 ,. .-.__.__.___._._... _- ~ _ ~ ~ - - >-- -l ~
i .:>" x! -9.2 -
In ~ Q 1
¢92§ ; J _ .
92
92I aw!-I t
Cohen listed tho unions Hwsiul sosisgqslnoo
1939, and snubs!-snip an Ghnioal lociow tan 1 to
1941 ft!. moss on professional orgudutlons. ls also
nma membor-ship in the an apps and an Phi lambda Upsilon col-unbia Ohaptor! lino: 1933.0/t! -
' rho PSQ rotlsots that Golan is mrriod to lartiis-Boxnaoo lab:-tn
Cohen, who no born in n-moo, is a Pnanoh edtinm, and rslidn at S01West 121st Sttsst, In tori: City. He has two daughters, E.rtim~B1a1lda
Cohan and Elisabet!: 6ohsn- Its father is listed on Joesph I. Cohen,
dooaassd, who us born in tbs United States. Ills anther is B7 Inlay
Cohan, 159 Rat Pu-In lay, Bmokbn, in York, Ibb no horn in tho United
States. Invastigntion, honour, neotod that Cohen's bi:-n sortifioats
listed his mthsr as hobo]. Paley, Ibo III born in uid. I1! sistsr is
Iatila C. Sinon, 15 Inst 11th Strut, Hem York City, who no born in tho
United States. lbs mrasn's indioos are negative roprding Itlls 0.
Sil0n. u92
pr]. hilly Oohsn In burn Fobruuy 5, 1913, at Isl Tot City, and
this no verified hp investigation. Ill is dose:-ibod as fin toot, mas23:23 125 pounds, guy syn, brain hair, and 906111 $¢m.rit1 Io-15$
W Ma
" U vor cage, whose identity s protected, D
a thl. aoquain
so in 1967 tanoe and protsanoznl associate "
of cohen and at radical politionl wins, though ha did
not baliovo Cohen to be s Gounmist. In dasoribod dohm as s theoreticaland analytical thiuhr in politics, as sell as in soisnos, Ibo was not in H
omaplota sgraosont with any one couplets sot or political ideas. Esstated, for sannpls, that Ochoa night ag:-so Iith sons or tbs philosopiw oi u.
the Oonmunists, but would disagree violently nth sous of it. Cohen's '.interest in mob nsttors no doasribod as pm-017 professional and thaorptioa1r/
I
00113111!» Univ-
he srsi
.! J ._ EFLFZIQE: 3
la stated Gohsn dafiai was s Omuxist, no sympathetic toav
_ _____ _ /V _ _ . _ .'. ~-r~ -_..;
. _ . .- '->.r_ . . - ' '>...q. .u92. .
% Is:M
. .
- 1957L7
_ in quanta.
' lnnuié M~%!!!Ei:l||" Q" "Q-=>IIOK§ I¢
t1r192hQaothila£or
_ 1z_n|dun92o_Oahn' brlnhntmpronouns andnpl; Qmmcauinddlotuuuhnlnatun prun-lntnnthnu£crbaal:u19$»Q_7a,' " -I -'
. IllllllfnhnallktulinlIulultuy 92hI5Gohu:ha!
aI'rnnhd.1caa4_ln¢bln_h;t§u_~1;aat1-Quinn $1-Milli; and that
' In pounced no auoahai no had an ioynltlu- aha. my lunar,-at he I38 at
ind entertained II! I» railul mmro Ibdlo in
wsuny has mtg:-an aw n-dial thoughts and in no
Landau torn at Oovonnant. I0 laid Cohen had not as
aunt or stunt: uhnatl Ihioh lad boon Iabbying in cauruan a_tcII.¢ control. I.11.@L§ -' _ ' _ .. .- A ~- ._ -.~,__ . -, - -A - -----q I11 -; .=i5' ---:~..;.=_"_'_.--_~ . _ __ _'.. _ _ _ ._ 7"::-?,,_; -,.|--v M.-._ V - :,___ A - ' -~_~-;.i x ;-rt _ ""-1>,:C_ "__,_-;__ ,__92.-_-."4;v-1-1" i _-"-f_:" _"1 " ,._ 92f_- 1 * _~92".."-_ iviff. 1138': I _: -' _ _ 4 92-. '-_- _w~- - --" _ -'-~:'- -'-J '* -I. '~- ~ _:i;=" .- "7 -" "1?-2%.; ' - i ;- <- *2 ='-,=§i$:§:"%.=*;~ . ---'¢.-';;T-9-_;=92!¢'P?¬55' I *"-'--'~'='-T,5,="}5,' -,-;-_ - _ -.»~¬r"¥.*§L.:?192.:;f:'--"".5"*' -- _'.'-I.'.'.'IT; ,'.=*-=5 2-" 51;-£i'4. ""-:11;-j - '- ., -~:;~:-~-;<'*».~1"¢_ :..-;.*"=*-;.r§;-.- *-=,=?-=!¢:.r'=r; -'~-F-Ar ._..... > ,92_n.:. ' _;_,_____ P, _ ,_'___»>_--_ .- 1 _ _> .__:_. 3;, _:_..... .. A _
U. ¢ , *92 , 1
.-92 |
¢¢E>
an
7
' In win at tubal: mutant association nth huh, in tho I b I
uibilli t. Gab» my yaw aonnautlpa nth the stun ltniod M
In York Olcn should amine its indies: foro ea coneu-ning mm-wk
jlab
DWI
_ -0-: ' 3
_._ , _.. ._-.._-,....._ .__-._._._-e... _ in... __ - ~
a ~ ~ M.-' {I. 92 "fr oi_, lvp -. x mm L ___4 WP I If: 4 bu ,> I
'1" January 6, 1950
_~/-v v
%~ liar u 053!
n r Ira DFRE!
92f»Mie/ '
Reference is made to our 8/9929 dated January5, 1950 about the above named m lo
We are informed that ies 080882! first or92
Lé
-'2
'§
- .u92 I
. L"».
1;-Iii ¥
reco like is Gertrude, and that aha was born.in New
on July 19, 1923 She was employed by the Department
of bcientific and Inaustriel Research in New Xork City
from February 7, 1944 to July IQ, 1944
92
'92It is known that FUCHS typist had the
initiela J E G and that KEARTOR's typist the initials
It is presumed that these initials apply either
' to Ir: GOLFREY or Iiss GORDON, but I9 are unable to
be definit Can a record ch please be mede on$é?%S;%RE!, rs R GO FREE, Kiss J L G
GORDON and lies B 92~"*
Reference the last paragraph in our above
quoted memorandum, our Headquarters now state that FUClbwas in New You on August 11, 1944 W l
"W7 wgmvza
4» g 2,1 -.:'Z.REPQWFD 62 Ti 18°
Q 6'1 61
YI '4"
C1aoe1Iie<lT7 _ ¢a!¬@?*" JAN6
53" gemtz
B-I - '1:
E
-.92-92
. §
iqp .
S
§".
m
._ _~ _-;- _ ,.__._.-.._.__,__-_--_. -»- ¢--
January 10, 1950
¥92 PJA Md; m s /QM! i now ERNE§T PBIIIHLS
Reference is made to your memoranda dated January 5 and 6, 1950
e have examined our records concerning the names . or Mes ll BiHACKBIZIE, G E%ROBBY, J E GODFREY, R. DDFREY, J E GORDON,and R {DRUG}? h vs been b e to develop any infonmtionidentifiable nth this mtcer ~
It will be noted that your memorandum of uary 5 reects
that Ihss Gordon was a computer. It would appear, therefor that
the typists' initmals "JEG" and "RG" would not apply to her
Efforts to develop information concerning the ahnve named
our persons are bemg made in New York. QI
1
- . ,, , if?-5 ':~%'.-'~;~1 '~ _:. _ _.___: l*1.1" ;_- -...' 7 '92',..-..?..'a!>f~' '
_.~-5>.'£|: _'
_- Jr-". . 1*-" . , '_.
gs-, t
mi-=
.92 41;, ; ~ _92.u3.197.:- 5 M I
J _ 1:
E93??? -1*"" .7 .B .92_-innr-§_'* »
;~.:-_:_:-»92 1" a.; a §J- _
-- _ *-
. ..
__," P :-65-;53ao5 -.1- 0
Legal Attache, London oacggggngi
Q. t :-_._;.Ladd xiwu *"" X _ ,.¢._e-"FFletcher 1!-15 31¢ Forelgn S61'Vl66 Deg $3! $3 92 .
0" 1 I fa-' ;92E O -25$ 0 ..592 {Q I .
:_:_A,f' J. ;,_ -a- . e . -eY0E '
394/} I M2,,cn="*° °,f°° iw mm
Ohssied mm
Deciassalr A03
sbiim "
..~"'_ ~_'-Exam I1-unC Ceteguf IA J Date :lZu:92av t*_';'1§, __"":°,..
~
.1
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-- . .<_~.>- -.x~ , I'n'?"i" ,5/Pb ell;
1:.»-.-r/II-! 78 9; L
7 " Z2f.Cii i SBPBGDQI 22, 1949 |
AL ATIHTIOI
'!.PvRQy; l-. ,,..._,,.cTA. ,:"" A»-I-_r._~
1 - v,~1 -- ~-Wgm
II-Lgl, Ila; -n¢a, 'n.aaéru=hn [email protected]
ESYIOILGB I
I1lIs§L HAUS mum! n-s mom mull!, was
0~4I1-is Inna, lrlutu E-Ru:
mm, In nob mu,
BIB All-bl Dorotha Id! Christal
nsrxomdsz - n
{sum 192oo-31.6228!
Ea.,1.4=2.'BnF
érnialnd rm-tiunu e cover 105 191.4, and who ia believed to
boidnnticlliim mil Julius aualh
BlIbo
According Sovi r. Agunt Pest furnished the
tho Atolic Ennrg 92g>$ representative in I oration concerning
and particularly with respect to the British participation in that
f a. document douigmtod 92
~Prop-an
Jll-D0 15 1944, 888$ hlrned over the third parto
t? Pluutuation in a81'"! O11as I8!--I one 1112,11; mining! - - - - - kt:-ant Mreren !
- - - - - di£1n2!aiun nethod - work on his apodalty.
tto at 3t.raan
On that date it tau onsd that Bast night have to have Iithin 8- I. r
amnthandaha"J-1
on July 25, 1944, eoummt no ado concerning the dsmnntratod value
of new; work for tin soviet during the pat half ynar thority Ila Inquest-
ed or Iowa! to ply Bast $230 tor than pat nu-vi as
on August 29, 1944, nation was Ida of the possible departure .tmat sq: Great mum and in ma wlmaction the name o9 ! and
tinned llmtion Ian also ado or " aanding1! Goose ac:-on
~ - D 'to one B333-gator - - - - - - no bar husband their?! dsparbnr#5 0//F/" 18%
v_,i
4,1?
-u___-i
1=s__i
uBoston L $1} Ghice-goE1 Pun !
Knoxville
Ia-shingtcm Field 05'- *2
1
0 ' I Y4 0 - ' "
I 92 j_ __ .. . 70 - - - - - ~; _ t t ¢~ L at
7 .4-_- Z
0
8cptenhez~----------_"-- é --- - J 5uuethingIa.ee1eenenti.ane<l
shout dueling on anaemia: er:-5.111., 1n-chub]; that or bet. Icntion nande at 8500 11 Ineel which eppaieny In tunetaover toan 001101301 4, 19.1.4, According + tit-, sister maalmady returned hone. ~ stated 000': trip to nee her was Iplanned for October 12 .
O! October 5 1944 It! : 6. to Charles andGoose GM! in changed '
A Apia on lumber 14, 191.4, mention IiI_ll»d-I of a vleit to Charles
deter on the at um-ad. Lt this time than nae alto eon mention orGreat nn !
Ettarte we we being My the Soviet Agent who
used the cover may o u o _ be advised of myidentieaon ettec . W
he report BI-1 one digit missing! Brent fltferemti! Fluctuation
" in 8. Stroll, in believed to be idencll Iith an Atnnic Energ Ocumisaion
document designated gs!-12 dated June 6, 1944. the B series was "borrowed
Iron the Brltiah and till "I" was added to indicate the Ilot O£_ii.ea of the
Ianhattan Engineering District. BI-12 in entitled '!'.1l16hllt1ona and the
Efficiency of a Diffusion t, Part III, me Effect of Fluctuations in theIla! of 12,- by 3. IU uj 5] ,1
le intorlatiton concerning Rest includes 0.
rezerenea to work an his a rm an to indicate t myidentical nun the lnthor or the mu document referred to mm J
tentatively identified as SI-12. Ixxrthex-gore, B.eat'e knot mic -_Bnerg letters and pu-ticuhrly the igigen aspect: thereof, seems to suggest
that he might be a British eaten at
A eon.denti¢:11_eo'aru abroad he mggemugu possible candidate:tar identiiication ti: the soviet Agan . 1' are Ruyl-Egjgmp-t."§1=e__i_e_;_'_1a, B-Eeirton, liltan m1 and Eli], Julius K18-us Fuchs."According to this source; __
Rudolph lamest Pele e a born in Berlin , June 5, 1907, anive-:1 at L
In Iork on Deeenber 3, 1915, vilited Lee Alanna in February 191,4
dn aga.1.n1nIayl94L, larr'1edandaceonpin1edwI1£e.&i?: !/W
1» = mss&|tZefum J.bL»6z://94.spamas 1-an/e. '2' jV
I
/ . £2_. _». ..___ -._-4...-___..._ -___..-- _ ~ - ._. .. 4 _ ; . .._ .
.-r
UJ c. 2. K9!-rial -Arrived at new Iork on oonbor 3,1943, Hwmd
to on mm hgbn ouo_v1==u. on lobruu1 18, 1944- In awr-
0df|OI'!b&IRBrGhl5,-19l|4;lmd1_1IIllhl'O@'Bl0,th0 Qsum an loptbor - "_._ H" ~' 92 _ cg.!. 1 myumm nnielinl nizummqm .-¥§u?$!1%awu2s* law.-mg;-1--q;:'ué-3 ml . -aqua won mm sum on mum pupa _s1;ss_j
me unzumm. amp oouroo oA11oodt_ha%1 mu rm;
naoonbo:-29|J.911atRnsooJ.aho1n,tIornw, lnotE.1hoha,Iho
13, 18'IAmduu|.protoooorn¢£d1n_;_laGomaq. milho-{add :I.n.tho Un1todl1ngdmin19 ildl'rC 1941 to 1943,
no cal 1lgd.d.o_t at tho linivoroiw of Bimini, llglalll. In Iovuber
1943, he was poitod to u United Stltea on on Atollo Rory Oultuion mission. 'Io arr1:n_d. I3 aw on noaunbar 3, 1943i to Oat 81588:
Augnotu, '1Itt!orthoUni.tod..ng&i._1i,HI'92 _A -Gamdaonlimn
28, 1945- In oornolpondmoo shout tho ulniniltnwo lrrmgoumto ho no
reformed I Dr. Karl Iucha, ho I88 closely annotated during his visit with
Professor Polo:-1.: natiaaod above. Polo:-ls hndld in tho Unitod > rantho u.s.s.n. an 1934 no pm» 4 mmmm m-nun Inbjoot u 1940. at
booamoamurlliiodlrltloh lnbjoctin-.1 ..lI1a ' -loniorro ohworker at tho Atzqm Dory Pnoioot at 5%], B .
his lotto! author advised lb!-dnil Pinko, " _ , tho rather or
Emil Julio: 1I'uoiw=11a:l.tod tho United Stu s in April 1949 tmnng on I
tampon:-y traveling doouaont in lion of passport iii it brliqumnny on
octobor 6, 1947. turned via. the United. [ingdon hiring tho United. Stateson about Jam 15, : A .H-V... . _-
4
this mm.-co also odwiaad that o$11nh1a ouatidm. aouroo reportedtbatacha roooivod . lotto: in Feb:-no 1947, mo n-.. mu or mm:-4
university, o-u-14;», Ilsaaohuaotta, who signed I7 : o1oto::;::L§_b}.'
It also appeared olznhoro that the name std. It Ill boJ.1.efoid .possible that hot lmabaadlo rst mm no Bo L
Bin -mroan than reflect a Security Ilithr-G 0100, baton. nu Bo.
100-16615 on lobort Block lloinennn and l:l.a lite, &1p&m. Ibo
latter 1a denitely idmtiod Ln the til: as tho llltor of B:-{Br}. mu.
rho innsgaon oonoorning Ira. Hoinouan no ialtlhtod thou it no dotonninodthat her naao oppoarod 1: an address book of Iomol Bil-P01-in, Soviet B81110 '¢ w
Fk Li: $1/t/42 Emagiro ? fghb -3- .1{ - ll 5 f*.?.'.===.;-.r*t-,£a='-I;
.1
5
7
5
.
.»
1
92
92
92
9292
1
1"
__ ____ ,__ _ ... 4- ...- _____~
1 ' v! ., _ 11>; . 4.»-!9
e _ Mm<
A.gen't1¢In"t1£Led' '1» c»:1§'¢¢~.;t'u¢uu¢rn5;pp-nun» an; d.'.. . ~ .
L'rev$ieI oi the address hook reflettithe following entry: K1811:
helm, Lint. to 1- Born, 36 in-n30 Lane, University of Edinburgh, sootland
Gelp possibly nip! I.-Cup I.-, Interment Operations - lirintel Eeinanm,55 carve} mad, Intu-tuna." the plush ll? L in mmdod &
e le reect; that Ir!-Ital Inch: Idaenln resided at 55 Garter
Bead, Intertuun, Ilaaadmeetta, prior to Jhmry 1941. his would indicate
tht lhlperin had an ulclreu for Ixtste e lleinenn that no rive you-aold et the the of hie apprehension. u
In hhruzy 1942, lntetel lieinenan listed the £o2l.l.oI1ng relatives
outside at the United Stea. Dr» hi]. lhohe, Berlin, Iermw - tether;
Gerhard Fuchs, held at a nutorim, Jurioh, Siit lnqd - brother; Dr. KlausPhebe, serving in the English Lny hotm k ~
» A
Kristel Heinellnn is reported to have stated that she lived in Genmny
then 1t.Ler_.1-at cane to power and that her father and brother had spent some
time in Oemnn eanoentratton camps. She mid that her brother later rent to
. England and hooue e Brleh subject. Ibo described this brother as a vow
hri.1l.'ln.nt eclentdat and said that Einstein llld sent for his to help work on
the Atomic Bomb, and that eently had returned to Ezglancl. hie was taof the earl! il of 19 M ,
It appears that Bginenene resided at 11.4 Lnkeview 178mm,
Cambridge, Hssachuaetts, from 196 until 194-Q and possibly until 1945. How-_
ever, it is known that in 191.-4, Robert Eginemn had the address of 302 South .rmouu Street, Chicago, Illinois, men -y be the address of his mmnt
It lppwra that in January 1944, the General eet:-1c conpany, River ' M1
Iorka Plant, Lynn, Iaaaaehneette, tiled an ooaapatlonal oertiiioate on behalf
of mbert Hainemn with his selective eervieo draft hoard. This was during
the period he nu in attendance at Harvard. on NJ; 1.8, 1941+, Beinann advised
his draft bond that he had applied for overseas uhulenee duty withAmerican Field Service, 8 Ielberry Street, Boston, henematt M
A Fm: August 1945, unl about June 6, 1946, he nae employed as a _
teacher at the um-11 Public High s=1m1, Ant:-Ln, In Hllpabire. After the. H-
-0-
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school ten he returned to Geibridge, hmeachneette, where hie uldreee Ia:
elnnged. from LU, to 9 Ihhevin Avenue. this is his last known add:-sea.
the Iovunberr I96 telephone directory !orGlabrl.dge, dmutte reect:at the Heinensnu stlll reside at that eddreee
rum :l'i.lee also reflect that a oeptu:-ed Genoa document Ihioh
Ltet or persona compiled in 1941 tor th no or the Gonnalion of Russia. liete the r¢ W ;
Ixlau Fnehe, etwlent or philoeoyiw, Deulber 29, 1911, Bleeeleheil,nsn_;m2, Gestapo nan Olfiee ne1,@u"
Imam men», oetoher 30, 1909, Bzleeelehedn, mam. ma-ma,Gestapo Field om. nu é -
I
Dr. Pasha, lei, Director of the sink mm in Csemolits, RussianILgent, Bukowim, REEL-IVES, Gestapo Field Office "B1-eul.au->659; _
Rho tn-nelator of this document euhldtted an amlyde of the tile
numbers. BEA stands tor Reieheaicharoheiteehauptut, which is the central
ottice oi the Security Poliee. The romn none:-e].s IV refer to the deparwent
of the BSHA. the le IVA1 and IE2, nmally assigned to Gerlm Gomuniste.
The major! ty, former German at Deputies and Gemm Gonmiet Iriters,hadtheJ.enunbero£I2- >w '-
fhe notation ooncemig Dr. Fudm is eet forth as it night possibly
relate to the father of Hail Julius Klaus Fuchs. In that connection the
tile number IVES ems concern key GPU and IIKVD Agents, Espionage and
lilitary Agents. [,4_ - ' .
Hm Bureau les further reflect that EH11 Julius Kline Fuehe arrived.
in this country on Deoel|ber.3, 1943, aboard the British levy Transport HJLT.
Lnde. Aboard this same ship were Christopher Frank leerbon, Rudolph Bmet
Peierle and his life Eugenia Peierls. Ira. Pei-erls was-born July 25, 1908,
at Leningrad, Ronnie. She is a. Br}. eiialsen having been naturalised Ierch25, It I|O!@_, A
It no learned throng: the Atomic hmergy Commission that I. Fuchs
arrived in this country on Decuaber 3, 1943, and had BB] Pas! Imlber 8795.It appears thet General Groves hid been assured by the British Supply 6ounc
92
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~ . .
Am:-in the is theleitell Qtstee engaged '
useA at irterest cleared. by British eesuriw prior
States from the United Ii-H8491. I-hshs
District Project through June 1946. Be wasd to you Lhasa. tau-sed to hglsml Jens 28, l96;éu>;q!bL
iocording to 1-hi Atomic Energ comssicn, Book II, Gaseous A
mffssion I-25! hcjeot, Iolsm III, Redmd, Becticnsl, of the lsnhattsn
District Histazy -reected that Dr. Inchs I88 one of e group of British
scientists the developed ditfnsicnsl separation processes. ihis feiaort
stated that during the pO1'iDd_II'Ol I8-rah to Jane 1944 ihich period is per-
tinent to this ease! certain neabers of the British group losers. 6.1-.
Iearton, H. Pcierle, L Iilchs and R. Skyrm were stationed in Isl York, and
on request -tree. Kalle:-and sith the approval or the Ier lbpartaent undertook
an analysis of certain theoretical studies Ih1Oh_I81'I mmnsrieed in e seriesoi reports, the IS: series, Ihieh were hslphl is anticipating problems of
plant design. use s prise contractor of the Isnhsttss EngineeringDistr1ct!.J}py Me _ t
the Atomic berg Coniasion tiles also reflect tint Hr. I.E.B.
Sbmer and Br. I. Peeks were cleared to visit the Chicago 0perations'01'Iice
p in llowemher 1947 to center with Dr. H-L-Anderson for a discussion of un-
classified and deels.eeified_especte oi, neutron spectroscopy. The file reflect»-
ed that Fuchs had participated in-declsseifi on contspsmees snong theunited States, west Britain and mm&. 14/r departure t
oted sith the
1 list oi reports prepared at Ins Alssos IU Dr. Fuchs, accord-ing ta the Atomic mergy Oomiesion, lists one report dated J11]; 26, 1919 W
the New Jon: oice "should institute e separate espionage investigation
concerning hil Julius ans Fuchs. this investigatlonlehonld be desigaed to
develop all possible in.torla.tion concerning Fhd1s' activities and asocistesduring 1944 particaallrly-@_!u uIt I111 be recalled that e t Goose appears to
have had sols eonrseeon with Rest at the time course, all pas ble infor-mation concerning Pouhsv sstivities at any s uld be develo d. ,
The Boston Office should reinstitute an espionage investigati n con-
cerning Krlstel Fuchs Heineman. Efforts should be made to develop informa-tion conceming the iseresbonts of the lieinemane during 1944- It 1111 - W
rfa-$,. ,,fP5'tIl-= A
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4 H , _ 2 El $2 J, 1_ reea11edthnt'tlII.n .&nu£ron outed. travel ontheJ pert of Ruth deter u I111 no I. information fails to
reflect on trdvel e pert of the Heinnnms dozing 1941», except as
light he interred front the Chicago eddren listed "hy lbhert H sum 1 944,
and tron the application he led: for onrnetj ubulmce duty.
, the Boston Oioo should also develop infer-tion oouoe the
associates and contacts of the Rein culsrly dining 1944Gooee no in contact with East's d t u IThe Boston Gffice should inedietely illgt 1 wiry report in-
corporating 1 1;n.tornn.on presently available and setting forth all logicalleads. u_
1'he Chicago Office is nsquaeted to determine tlm period during 1944,
when Robert Block Heinenan resided at 302 South Plylouth Street, which is
believed to be the address of his parents. It should be determined whether
Ire. Heinennn was nith him at that tine. Information concerning his activities
and employment should also be -developed. This investigation nhou -be
expedited and it mat be handled in a very dine:-eet'nnner. ,
The El Paeo and §noxvi1J.a Offices should mks discreet inquiry at
the Les Alums and Oak installations for my available information con-
cernin Dr. Fuchs-_g jaw M L
1he'Ia.ah.i.ngton Field otfice is requested to canine we records ofthe State Deplrtnmt, Passport Division. Mon concerning travelon the pert of Robert Block Heineman and [1-'1 Beinenan. The Iashington
Field office should also check the record of the Ilnigrstdon and Naturalizationi q 0 0 > I: 92 '
qr:
Service for all infornntion conco the entry and/or entries into the_ mac Btltes of Dr. mans. J
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IRISTEL -KLAUS HEINEMAN; YAS, ET AL, ESPIONAGE DASH R. REBUTEL TO BOSTON;%://yiguiucwou 1 rnon Bosyon T 4 T _ a-29 P -
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AND NEH YORK DATED FEBRUARY THREE LAST CONCERNING EXHIBITION OF PHOTO
OF SUSPECT HARIINREUTSCH TO MRS. HEINEMAN. MRS. HEINEMANS LOVER,
. ' ' 92=
KONSTANTIN LAI-AZANOS, WHEN INTERVIEWED YESTERDAY, ADVISED THAT HE CAN
ORECALL THAT ON ONE OCCASSION, K_RISTEI,_I IlAUS HEI!EcM,A_N__AND_,_!§LA_L[S FUCHS 1 -
vxsxrsn SCHENECTADY, NY To Q5; §§;§n;;§;§ rg;;un. szsr nrconnzcrzon
IS T AT TRIP OCCURRED SOME TI ME I_N_A_£ORA_TY__$E_VEN,__:!'HAT U_N£D_E_N_'[_IFIED
sq;§§I£§I WAS AFFILIATED wxrn CORNELL_ONIVERSIIY_9B,§£NERAL_§L§CTRIC.y """"*~ _ "' ,92
t u~92S PHYSICIST. BELIEVES CORNELL ASSOCIATION MORE LIKELY FURTHER STATES'
~ Q I0 ---~»~ - - z A.. '1, _<§Q;§,vn1nz~T1r1£n susazcr uan A GERMAN_NAME wnxcu as aznxnvzn HADIBEEN AucL113
. C ' :1KIZED;1' REIREPORT SA JJERONE MAXWELL AT EL PASO DATED" OCTOBER/ZENTY
J ,1 1
»°¢,v"i:Los£LY ASSOCIATEDIUITH HANSBETH1-I, RICHARD FEYNMAN, ROBERTMARS}-[AK
»i'AND vxcron wzxssxopr AT L05 A F1 sw 1 REE NAMED C L an un1nrw- I/ Lb F _ I Amfbm - I24 £5 my-£1? -1 yr rxrxnn sczznrzsr SUPRA. sosron noss nor A ING BU FRAGHEN- "92».:_ . mnsm-124 -. gaso - ..AP TARY INFO ON FIRST THREE NAMED. BUREAU IS TED TO REVIEW THEIR1 7 7 ' V B __ _
EMAN ALONG WITH THOSE OF DEU'lSCH- BOSTON HILL OBTAIN PHOTO OF WEISS-
,Av xovr FOR SIMILAR PURPOSES. IT 1s uowzn THAT mas. HEINEMAN HAS vow{Y ALL Iurcavarzou CGLTAINEDlg END PAGE ONE g HQ???-"-3-5 13 [}§j"T._l_§,SJ:FIED- halo Q-B ,5 "~-H ~ AV 1
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PROVIPED INFO CONERNING THIS ALLEGED TRIP. SHE WILL NOT BE INTER-_I /L , 92- --
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vlzwzn REAABOVE AND PHOTOS wILL_192lOT_E_g_ 1 ELIEQ 19 Iwmu
GDAUTS AUTAORITY SUGGESTED THAT PHILIP MORRISON, IT HE HAS AT LOS HT A .
ALAHOS AT SAME TIME AS SUBJECT FUCHS, OR IF HE HAS AT ANY INSTALLATION
NHERE FUCHS WAS LOCATED GOULD BE A LIKELY SUSPECT ALSO. MORRISON
NO? EELIEVED EY BOSTOH TO PE AT CORNELL. IF BUREAU THINKS HOERISOE
LIKELY SUSPECT REQUEST SAME ACTION BE TAKEH UITH REFERENCE TO
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SUBIECT: KLAUS FUCHS
FILE: 65-5 8805
SECTION: 3
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3~.. - - -_ [email protected] --~ -@- ~> -' ' ' ' _'
.
F" - I 0 J6 M , _ 2 - --"*'U- '< ' Q-GV-ERNMENT
T° ="- 1-"hm PL " " H " ""1>m Feb:-na1'.Y1p 1950
, s confessed his Soviet espionage activities to British Int-elli
nous -
, , as e member of the
British Atomic Energy Iisaion. He was gL until abounugget; 1955. On August 19 he was postedjo lee Qgosdg co,
ere runs --Ell?! - de -.= _jq_ IT _ -, L_.= -.= ' - Lt
Ins ames Fuchs worked in the flheoretica "w sios Division and had access
to high]; classified intonation oonc-e ~ -: the present atomic bomb and thelong range research program.mu Fuchs entered the ms. on December 3 1943
_..&.
Fuchs operated onbehalt of the BBB while in the U.S. under the covernames Best and Charles. ,%!q,_;
a i ___ gasor August, 1941., mm mom zulettoiieap meetings. This mluie
perently was oooasioned by mobs transfer to Los Alanna.P
. s! , _. , -. W! . furnished additional information indicatlng that
Goose omatlon eonseming gbzehem §;gthman to the Soviets.
It will be recalled that Elisabeth 1'. Bmtley charged that Brotbman h:I.msd.1'
had furnished information to theRllslinns. more El-1'9 fW H.
the unidentified agent noose, but the pwinoig one new appears to
Gerhard Gus Iollan I former 1 I partner of Brptlman. Iollan sun-en i 7 _ sam as an issqkatsf-?:_1,j;£essorZ oflsthsmatics at the Berth Gog g_f~3__tg_ .causes. Dahlonega, Georgia. l l * ' has burnished intonation to the effect that another Soviet
nto| !e"nams Goose Gus was appmth _o indicatei ¬Ei"53Eae contacted Puohsl sster,__§;-1, tel
e 4 m».rs%~ l5-sgakgafs i¬§71950 '0 ~ 00 . ' l mar-; ~PM =IR- mm TAB SE" J e ifwmc-r= =11. JUIIUS mus mcm,1é.e. » 1 ' Q l, . M Z, "'"" E, _ mnomgs?-gsgos _ J HEDB F5 ed l'1 Mile _ Q Z _ I ___mam nuns szmmmae. C-Ai '5/W/?7 Amrxomus _ a- %;61;¢j- -I ¢A,-15"! / :_-|___-__-M/:5, 4/1:°5:£xw r'c':7$/' /25;; r- Classied =¬/iL.¢1.lT_,4r,g 2 --1:gal:/x=¬':Cw_5§ mam : M7?/76promwf I9'$|.Zn4>!I ark ./as/7; 0. "'l7$7/519;,/7' Q ' 'To obtain authority to interview Kristel Beinenau, sister or Emil Ishe who he gen g;
.
92
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Investigation of Kristel 8 has developed that her nane, together
, - with that of Fuchs, appeared with 1941 addresses in the notebook oi isneel
nslperln, a Soviet agent identified in the Corby ease. It also has been
developed that her hnshand, Bohert Bloch llsinsnan, is a torner umber of theGemini-st Perth Io other sigaicant information has been developed.w" l4!
Fuchs has denied that his sister is, or was, engaged in Soviet espionage.owever, he sts the y have witnessed contacts between hineslf and _' K! 'his contact mEgooee mm this my have surmised the nature or Fuchs ,
activities imsemch as had engaged in undercover activities in Germazw.
Fuohs also has stated that he net his contact Ian, apparently at Cambridge,
Massachusetts, daring F , 1945, when he was on leave iron hoe alamos tovisit the Bed.n@s ! U» ' 5 ' L I
It also shoal be noted that according Kristel
Heineman did not have a code name. It would appear rom e circ92m- -stances thst :ere is an even possibility that Kristel Heinemsn is not anactive Soviet gmjw
Consideration has been given in the past to the possibility of inter-
viewing Kristel Hednemn, but such action has been deferred in view of the
possibility of thus jeopardizing the investigation of the unidentified Soviet
agent Goose.I: _]p- flu
It nos appears that prosecution of Fuchs is contemplated and that _publicity will be given to this in the near future, possibly as early as <
tomorrow morning Such tion, 1 se, will alert and render inactiveboth Kristel antlooes, iifmy are presently active, and thus makemrther investigation practi ueelees. 11
EGOIEEENDUHOH
It is recommended that authority be granted to interview Kristel
Heineman at the earliest possible moment, rst as an espionage agent herself,and second} to identity the unknown e1b,1eotEos:b§![ ,U _
92 . .
It is fhrther recommended that this interview be conducted by Special
Agent Charles E. Pelletier, Boston, to when the Heinsnnn case is assigned,
and Special Agent John B. Murphy, New York, to Ihon the investigaon of theGccpilgf-M is assigned. In the event that muw is unavailable because of the
re d ri Co A is commde that another expo enced New York agent familiarwith gaestigation participate in the intervie~I;@¬! /, .
_/It you approve, it is requested that the attached telewpe be dispatched b
to Her York and Boston. ' ,-JI
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~ Ot Mmddm -_ UNITED STATES éovi-z1u§MENT V
TO 8 Ir. I, oars. February B, 1950 IW , 1,. H: B. @».=»s-~=/ M4.;- .. ' '% =1 ansowfw A
sus1ac.'r= ' _.&
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In Tor / "2"" nuns mus moms, _, ' I-/17/9 " ""-ssmmnox - 2 Q? v
ALL Ill! km0 rroscomnixm cuxssm 0 /65' ::j_ moss umsnus uucmssxrrxn axcm: DECLASSlFY N: 25X_ mm suowu arm-zmuszz. 3%» é%;£6/ 75-//A W L!DI K ;
To show ! our notication of the Atomic Energy Oomission of ::: "_/ g
this ease, ! action taken upon learning that ~Fuehs' _"" "* name no in an M1,address book 0! Israel Haipez-in, Soviet agent Q ' ~pftll an 0/Q //6%-' 'mars f;¬"g,Z;;:79¢, 7/7/90'. on#7?/7:7 wl
- Iben the identification of Fuchs as the Soviet
t i 1agentiéest § i
a r y apparent, a letter was directed to the Ltemio Energr Oommis on underod
date of October 21, 1949. this letter tifino ed the Camission- that we were _'92oonducting an investigation of Fuohs. It further set forth the roots that-
Fuohs' name had appeared in the notebook of Israel Ba1perin;.thnt the name
of Fuchs and his brother were contained in a list of persons considered by
German Gestapo as Communists in 1941: and that the h bus and of Fuchs sister,
Robert Bloch Heinsman, had be n reliably reported as a member of theCommunist Party in 1947. gé
at the time of delivery by Liaison oi the letter dated October 21,
1949, the Atomic Energy Comxis is on was requested Qmmaesikoa anyfurther intomation on this case E;-em the British i _ ask us for this '*5 information. lio requests were rec iv d fre om the At_°mio Bner Conmissionw51
The information received from e
tot made available
the Atomic Energy Conmission for these reasons: '
1. The information from this source is received with the expiio.. limitation that it not be dissemins_ted.outside he Bureauzf !9
' 2. The identification M-»..;1..' 1., reasonably certain, we not *' ' *> absolutely positivergy bl V _/,~ /1
3. it the time mm was no longer in the United States and there "A
: was no indication that he was presently working on the United IStates Atomic Energy Pmgmmu! __ , 'LZ§1!'XHF0RNEAT!ON COW1A1FED92,92
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On March 12, 1946, the Bureau 1,111.01.-'.-.p.-.....Ȣmv. on Ottawa,
Canada, forwarded single photdstatio copies of the address book anddiary of
Israel Halperin, who had been identified as a member of thesoviet espionage
network in Canada, disclosed through the defection of Igor Gousenleo. Note: 92
Halperin was brought to trial in Canada, but the charges against him Iene
subsequently dismissed.! The address book contained several hundred names
of individuals living in the United State and other parts of the world. Amongthe entries appeared the following: fa!! .
I
Scotland, Camp N Camp L !
' Interment OperationsKristel Heinanan, as Carvel 114., Waterto'wn"k§! U - .A preliminary review was made of the names and add!:-eases contained in
the address book and diary and on June ll, 1946, photostatie copies of the two ~
docunents were sent to offices 9! covering tentories in which the addressesI Klaus Fuchs, Asst. to M. Born, 84 George Lané, Univ. of Edinburgh' 3 In]
were located. The memorandum contained. the statement that many of the e
individuals listed are already known to the offices receiving copies of t11is_$92'92""letter. Of others, there is no information available concerning them."aQ§ ltd!
The offices receiving copies of this letter were instructed to
immediately identify all of the contacts of Halperin listed in the enclosures.
Reports should be submitted setting out the identification of these contacts
together with any information contained in your field office files concerning
them. In the event there is no information contained in your field office
files, a preliminary investigation should be conducted of these contacts at the
conclusion of which, if it appears necesaa or de irable, a more intensiveinvestiation of them should be oonduoted.?Q92 US
The documents having been made available to the British Intelli genee
Services by the RCMP, no attempt to investigate individuals listed therein
as having addresses in Great Britain was made. Furthermore, though the
British had this data availabl they did not furnish ani further informationconcerning Fuchs to us. § ! J17 Y ' '
AB a result of the above-mentioned Bureau letter dated Jime ll, 1946
the Boston Office instituted investigation of Kristel Fuchs Heinenan andI
developed the usual background information. The investigation was closed by 'report dated December 26, 1946, and carried on under the name of her hush?/'
Robert Bloch Heinenan, who has been determined to have been a member of 1;
Communist Party. The investigation of Robert Bloch Heinenan was closed-sin
October, 1947, on the basis of i creation that he was in Mexico City wherehe had gone as a student aQ Lum g .
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'4£erea'51!--Ihew».eaSnestreu-- §I1§mlll_:.*"-Zlb_<l---i-IDPKBII 'epeu!_.ll.1. were undertaken to identity t. D1 B! ~
ti nllbezmfnith he digits, the ret 0! which in one, wen obtained -
tron the mu: berg Dominion tor this ltpblig u the basis or, dates, ' . ,."
_g1ts by the eonme, and the subject utter at the report, it use 5 92
V determined at the document furnished to the Haldane we entitled "Fluctant1on.n ' _~.-0-;
0.-
'1-.
I in me 1'10! of ?,I Ihiuh nae dedgm-ted B8-12. his report. tea authored by '
prtinut tine, awarding to the Brltieh. It I111 be noted that this subject.
1| known 1 on-only u Br. Ker hacks. mm: eort. to idmttty Rest Iae nah ., @ "on the hula 0 that thnjlwd a deter in this eaux§_t:7, according to A_ amnion stigatdon emulating pl'1'w.1y or on ~, .» . ecttha
Soviet op'e1eti.ng1.n1944un:!e1-tn nueiea hadtu:-nieheclto_ _, B the air! pert of the report ISD-1. one dt¢i.tI1ad.ng!----lttrcnt 4.
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_ a the Itdlaq of 4 mrmmn nuqmis I11,"l92e urn» or lnctaaatione '
L make, one o the tour British ld.en'I-181'-I nplqed in Bel Io:-k at the 5
u_ & Iaturaliution Service records nQac w Q1} l"_~"" " iT..I_'_ ah leienttete -played in In Ink pen-tin t. the 3 ' lid diiig] _ ea other three enientlete an pl: Br eiu-la, chriatopher i
PIN! ._ Q 7°17 Hilton H0116 .
i
I by Q11 tlnt hacks possibly had e date? named K1:-ietbl or Kristel whoI1. is have I bend named Bob, that_ Fuchs Q identical with lire. -'_ Robert Bloch Heinelln, eh Kristel h the subject of a Secnziq -92 1_ j° ~-nu»-c investigation at Boston durLng'1 inasmuch as her mm ma been new - . '
f~ ,:_ :l.:92 the address book of Israel Ha-lpelin, e Soviet agent identied Ah the _ ,, ' H. One. Her husband eleovwae 8 an ect. in this can because oi :Ibort;ed»'Gonmmii*J"'92?~5p'-' - u_ ' 1% h@md through the B1-wee e files, it having been advised 13'
v-__._ r» '92. - ---- V ' Q _' -log? _ , . O _/W I 7 r h C J V ."-- ' 6: ' A Cbuiecl _ . ~ 4 <6» . - -- I151 "7" ens G= "' '''- H£:R_EIN1592RICL.I.SSIF1EDk-xii?! Emma _ In -U 92~» qumnsaanso:aaa'-115$.-" ' 9" I
JUh Party membership. - _; ' ' ' Q
;im.hc /;fj_b_/-"" 9921555"! UADK/,1//0 "' ' » I 92 .
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;_t-o,1nre:.-matted rbpdrk ahatigotla may not aria:I¢.._. __;_ -..-_ _ -- ~ -- -» >_. .-,1. _o~._.q-Q
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at it!» naoaluyti Icahn
r u Idaunnp liq!
cl nun: at huh lth:
Anon law lnlt-ruin Q
that Irina]. Iolana nnu hi appllol
lqnrtumt pea-dz Ion nbpttn cozfm _
Qlqnnt and lllotl $11100 80-ll! an
ht! Ihcnabontaq It I_u dull-0906 Int in 1?
Gianni. Ithdt-rzlo 6017;, z7m|h4euh:.|g'tta, and
daring that yur ca'2Lv=£_c_r npruslntcly Q10 dun
to nlop trawl tntomldol n 801:1 Illl
. nth ntormco to u hnlwn ortl
_a uc_1m:I.cat1.nn and Outohlrli, 198; - n lrltid _
us pm. in £o11.v|n' luv hadqurhrl nul of the qnnu um. m_ inn nus;
bf intonation lappltod W you Pad: has ban rangzablo danbtM --- __ . . to bu 1:1 dual um: fan am. spat, ans
'2 Innntigauon alaowu wnducttdlb anulop an hr u ponnhlo the
uuvu-.19: or mans and other British scientist: in In Ion: during u
jiurttmnt um. Ila roanrdl at tho ataxia Borg Oomziaaton at tho Boat. of
Oovu-meant were consulted and mnatigaon was rnunuoud I47 the £101: at
lbs Janos, Oak B5-480; and liar Iork 01?. the latter 011100 checking reecrdsit luliu 60:11., Golmpln Uninrdwg an-the Manic hug Gomsdqn, utort. 1;!
A a relult of t A Lion, tognthdr with lot infatuation '~tumiahed%1t.ho Brl nlopsd a. tall at helm Instr ~ -abouts 1n_ a country. Briefly 1 in an tollallx
-Dumber 3, 1918 <1
Arrived 8-8. and gun ruidmoo an an Hotel and butane: adn§:u
as 4,3 Exchange Pka, In fork G117. n httar mbouqjuntly I.
Bhlnsld to 1!:-Ltiah ntntry of Supply Millions 37 I111 street, IIIIork 617. ,!
Dtudber 25! 191$ ' _
In first vidtod Ir!-Ital. Buinnnnw /-1 ,
IA ,5; 29 ma 30! 1944 _ .
rum; unm Iontroal, mam, for 1 mnfemnua with labors of m¢!/"~""lllnnllj Buoarnh Blind-19 Ml L0! I l"92-
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!..=Lz..5¢.BY£ 114?=#r*~~*1 %. qinnu Qnimmy-ha-, tor 4 aurora» it lu can unuuuig ,4
uaatunI92n,1%4,uunt&nnlraut.ur|uu!c,ln
Dd-00- --
453-1. 5, 195 L
loan 11 nmnu-1 1-am, maelu-lag £945» lb
hbrulz 11. 1956 '
in hit Ina Llano: for 1 nolttnn with K1.-lial Onbrldp,
lluaahnnuttl. ma!
lib:-nag 35¢ 1945
Ill returned to us Llama rm: unman-
QIwuabor 21¢ 1916
Bu 1021; In! Llano: tor Iontree-1, ca-ands, via Bhlugo, for a two-dayantenna I12: representative: or t-ha Britida arpnipation. Um
llovunbor 24' 1945
In mama in Albuquerque, In an», and ommsd an to Uudoo
tor 1 vacation in the annpuq of hdnlyh 8. Pdu-10 and I110.
_ Ollrll 18 delmilbod by the Br!-tilh an a alone uaaociata of Ruin
and Lt Ll into:-uting to to that Ira. Pniorla 10 A Ruuim-bornmtunlilod lrltilh nb3 ,492 , .
nuasnbor 8' 19.5 _
lo and til: Pdnrlan returned to L08 Llama tmu llnz:l0o, 116 ll Puo.
Lh-!Dlcenber 12. 19L5
a /V 3'»n____ ____~_4 ,-_..> ..@ --_ ___ __ ______, _ .._,-_._ _-.__.- @_-._.»__.__.-v 7 4 -l~--'- ~Q *-
' ' 921 9292 ' . "EU ¢-Y
92 /I 5511.195 .- ' _ 1 .
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la man in n. an awn ennui, Indutuy n.0.,":u- cu"
_- dt or inch! out athr one n1¢1t'n 0&7, pvhlbk tin latter.. ' ' 92E 21,1946 . - ' u .6
Bo Ii-8 raiding at in Hlinnua rollqmon, Bnlbrlqu, I92ala;.clnn6At§s.
Juno 8:194!» '_lo mnunu-=1, Gumda, :1» the m¢.u1m-wuh-§#&""lovuhr 12., ma ' *
Bo roiazrnod to the United States at York Glty an Br1t:I.ah mainonw
92Iovumbar I!. 1947 .
He dopartod the Uniued Statas from Haw Ink» Q!
92
Investigation at New York to locate a bank account and a residenceutter Fuchs loft tho mm Hot-01 was nbegat-ha. W -
A review of the Bureau; indicea devuloped the interesting information
that oartn.1n_an.ptm~od Guam doeuma 0, apparently ouupllnd in 1941, lintodthin subject an a mm and apparently I connnwist Iorw or
consideration for apprehension IU the German Any during thn 1n1a_d.nn of Enoch.-lhia um list contained u name 0! his In-other, arhrd hicha. -Q
In this unmuon, investigation or Kristal. Bqucmn Gunlopad that .
in F0bruz1,_19A2, she hated the {alluring nhws ouil-;h the Unihd scams:
Dr. Ih. Nola, Ba:-Lin, Gama-gy -- tamer; not-ham ruin, "held gt 1 unite:-inn,bhrztfhgrmineam -- brothar! Dr. nan: Fuchs, serving in the Bngliahxnsy -
0 ' ~ - '92L
It nu also ascertained that Kristal Hdneznn rcportodly muted aha
11-164 in 001.-nn.w an Hitler xnt can to pun: and that bar rather and brothar
' 1nd spout. an lm in Gun: oanoantntlon cap!» aha aid la: in-other um-
Iint U hzland ind bans 5 Britiah uabjact. Sh! duct!-had this brother as a
very admndhunmtdnmdumtfortohlpnrkunaoa o......"¢;*{;**-p ~___92 3?I
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ieeieeeee enema: an 50801-I1/Ileceetwe
ieek e£_lll92l1Il1ierl..ng e ee_.e92»e¢eet1en*1vee1e ue en
etmeepmeemeeumruq, ml» nee: Ieehe, not
nmeneuoueem-nene1_euenee.lI_eogee4,emoumpnuaeonunnmu. - »_ - l4
' In he revue et the eureenle lndieee no tnreuenen ln1l:lee92»1ng that
lb! Made leery ddeh bed Ilthllttei Tidal! M8 tor e Obi lll1.M.92v'I$192'
reeorde Iee leaded. -In thin regard it ie of intereet l-het GD AMI!-e
Iner|7qon1ee1oeueer4erd'1eetnt0me:e10roveehe4he|euen-eewehe
Irlttehiwlieimeillnlorihlwrtm. thetellhe I1-iteltenelnihe
hit-edltetee emeged invert at tnteeeet. to the Ehedbeen eleered y
_Ir1tleb Security prior to their Aeperhzre for thie Milk?» hie eteteeent
eppeea.-ed tee eeeoe-undue thet pointed out the ea-rival of thle nbjeot in thiseeuntq. A _ - ~ -Qgreege-bee, hlvere1Q"o!Ille92|ergh.|lee92»%eee ' pa-nu; -Geepi.-3
be prinoipel eeeoeiebee or 1-uohe in thin country were E1493-P31 B1-net
Peierle and In-1 Peleg Cohen. R5-erle lee born lune 5, 1%! Ber1i.n,_Ge!mny,end beueee e lrieh oitieen by netnrmlieetioe on lurch 26, £940, at London,
Indeed» 81: cite, mgenie Peierle, wee hem Jul; 25, 1908, et Lenlnped,
hale, and ehe too beoene e naturalised British subject In-oh 26, 1940, It
eppeere that Peierle no mohv enperior in eteuic energy reeeeroh prior to
eoltng to the United States in December, 1943. Be tolleeed thmughee euperlor
otteeheehile theywene Lnieetozt Oityendleteret lpeeme. Lt. the .
letter pleoe Pele:-1: nae in ohea.-go or the B:-it-Lab group. It bee been notedabove that the hoheee and the Peierleee have veoetiened together. /S1;
In lea-1 Paley Cohen wee born February 5, 19.13, et lieu York City. He
etended Golnehle Univereity from 1929' to 1936, reoeiving 13' m and Phene
Delreen Iran: 19460 to uey, 1944, e tee eonze prior to the time that Fuche
vent to Lee Demos, Gohan nae ceployed on ear reeeeroh et culpable Univereuy.
The BI eentee prepared by Fuohe and other Brit-ieh eeientlete wee deeigned
prime:-11.7 tor the nee or the reeeeroh group et Goluebie Unirereity, and Cohen
e I-11 he be the person with Ihce Puehe Iould. o:'4i.ner$.11 here been in contest.
Upon hie reeignetion from Bolnmhie University, Cohen took up employment ee e 92etdet with Szemlerd 011 Devizrnt Do l1_£eebet-hater Jereqy. Cohen weethe eubjeet at en Lppltoent. - A o Energy Let invee time this tailed to
eevelop erg info:-metion to the effect that Cohen lee e Ooeeuniet. me person
lntervleeed It-ti-ed t-Int Gohm held eoue ruoel political. ileei, though he
dl¢l'not believe Bohen to he a Oommiete He deeeribed Oohen ee e. theoretiel
eneenelydoel thid:erLnpoJ.1t1.oeeeee1lee1neei.enoe,ehoweenotin
eonplete egreeant with any one complete eat of political Melee mother
person interviewed etet-ed that Bohen definitely In not e Gennniet, norqepethetio to Ooenunin. He eeid Iurther that Cohen wee e nil-ronndrg!
...- --.;.%._.__.....__._._....__ ._... _ -- » 4 - ~ ~ ~ '
Q Q ~ -.7 L- .- _ - ,L~! al-,9
92 , .
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mm; van um-1- to
um-4 preamp nuns;-a
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we eaterkeiuei Aim}. aware
imi peently in Ihnuate end i
i_'ere.et ueunt
that he was hora December 29,1911, et luneldmin,
, e. pereuor» Ie errived in the Initedlingdnl
A3 In I leunetieel phyainiet. at the lhlvereity
et limngk tnglend. lle bean e netnraliied lritieh ngbject in A1-94$ .//
um his 1-etu-n to Landon fun the United sums he continued ewuic energy
reeeelvd; and current!; is e Senior Relelrch worker et the nude Energy Project,FIFO]-1, Q11-I-t;
mam seamen was burn aw 22, 1933, and in e Inbie ¢1,0eIIlI=v~-
age Iiret entered the Bddoad Stetee on Sam-ber 20, 1936, residing here
Imtil My 17, 1938, et which tine ehe sent to Kenn; Gum, end re-enerei the
hited_8t-ates on an immigration visa. Sue attended Snrthmre Ocilage,
Uerzhaare, Pemqlnnia, end epprantly net her husband there. She bee three
ehildren is the present um. me naimmnuu-eamuq "nu is 9411!.hu1eI name, O-abridge, leneohnaette. Q! . S! b .
6A bri .t ream: of the inrorm'H.nn mmm m
ingiueheiethm-uofl|y8,194b,hea dvieedtheBu rkat
the 31-itieb Gonaieiion on atone energy in the United state: no aoetingyiiah
no noun, and eppn-antly that there eea diseetd.e£aet.ion orpiauaxlerst-agnsiing.
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ulnar hahadulnuilqnatdhut - hI.l.1IlPUQ'Ill" ; 1814; , it In Ilpbd at Iuhll
datcrhmmtput» iophnnsdnotbarh-lpboa ."..M ~.n¢;gn: % % A poo: ninph to
9!-A
-Al or Ontohr 5, 1945,-Indm
nrln, and thou: bur nan In
lonahurli, 19-U», bola hullldi cpntaet
that hula had an ail:-and in lrl Id-Uh,
Iwluieo» Iudhlbdlvlahia dab: that »
cm-intaaatlaoial aalinonophnnodiooa qUB5 H3» %! H 1A so ta inn: lo on din subject, éoonogh in lg Iactive amm a also Mug! t-In Goon tumisha ;
lnrorna on coma:-aing nun tie: or an Bromama 2. muq In-I nvnlvul 1. sum. Qlpiomgb art: L!
hnahoonmdato1.¢l0n..qlannoneIhouou1dlmawbothBrotlnan . -
Ilrloun aspects Mn ham eunnidlrnd, lost o£_ Ihuu are onnnoctjcd nith
lrothasn Ln buinua activities. 'I.huo'1nc.1Mi '1H-ha: Phtulu lobar, hhl
[or¢hBLIl; Oarhu-A Iona}. I J Iago. It has not bum pouibla
to tabli the 0 til! it0 1' -on ah 1dnn'g,1_92:y_oE wean; _ appear: atIollm is the batter ;z'cmpe' ." 92 jja..tgr'lar' partner of Brothim and at
one time ma a p!1ya1a:tutA by tho" law. Ha is aunnnlw Imam as ms-Iollm andthoro ma m ue:-othe ~.-.~',_- !1ratmana.£' sJ -an Imiiddzml appeared in tho ntarinl of ¢I"~ pal 1 0 _ Ius! 1031011 lunltlpttn effort: an bain ~ _~'~ =~ /"I -. b I 1
T »
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I
SUBIECT: KLAUS FUCHS
FILE: 65-5 8805
SECTION: i
___ _.,.92 . - _ - - _, ~
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~.~:-_-.~--_ -3-. ._--0-,~_;,, |_ ._|92_.92"_ -U ~- hp. ,~¢ ._ .1-1 92. 92.__ p_92 ~ ,- I 92__.,,,_ 5 _ .. ¢. .:_ _ u_|._ A 9292.. > , .. r:"-:_-,_.,~..'-_- a .-.:¢_- _~.~;._.~,;.~.r-E;:;-.-.;.@§1;.?; ..;.§s~.~Y£. E;;§*V.j§-i:$92'.~§q'P»',I§§?=§'£7:g.;*;§§f=g§p;g$_.*§; ~.--- -._~; .~ _'_. '7 '92 .Q_3_~ ".. ' _-";' '~._ , .__. _ 92,;,;.' _-- .1," ,'-~'-"v __... e-~.~--*92 -' - _ " -7. - - .- ..' - '1 _ __"§»_'_ f: ""' I.-.92 1'1-" "r':"-.:'92 2;" . 5 Q! I?-:'"'1i':¢'q."¬¢~' :_!:'a1""'-§?";'.u»;;.-; -"'92~'-*5?"¥5~.'f-.2;-~I¢§-F=--:1: . ., x "L_' eoppll .- 2' 1-Q-f =1 =-~ .---.3-r »~ 1% --';r-1 - . -*. +51»-. .-F .1;-._ . 92 - _ -. _ __- -~ _ _ _ _~-92 . . . -_~ ~ * . -, ._ _. _»_ .__ J _;__. _..,;;..'-. V ,.. , --. . .'_ _ 1/!.,_.,f _ 1, 7:» __4_g _..*-,_._: _v92'~¢_V., _ ,. ; ' ;- . "__ _._ ~_ .. _, -_- . _ ~-_, 92- .. ¢_- __! -. .._ 1..--1 . -. L ; _. .1 . .~*?.¢. . r , _,. '_~. _=-- . ..~~.-1"} ,'.~,c 92 if 2.. '1». 4,_-,.'_ : '- - _', -- ; -"¢?- j'.'l:.'1.'-1-. _ . . ' i-;f"T§-'1,-'..1 . ~-_ '.-_L _ ; ~ -r _, A_ ~ !-A-_; 1 .__. : , - _ .1. - .3,}| M .0 Av Q . 4 K.. '~,_ . _ 44"4.4: ~ _.-.,-~::--.;,.._ ~- .N- - -"~'=.:.§"-'- ,.' ' . =" '.*7-"'---."-"-- --' . .,. ,+ E. . I. ;_-92.¬Ygfl. 5 I _ . _. _p -5 - -' V _ ." c "@=*§* ¢=w"1:*.*1§$¢ '
_ .. ~ A _ - , ..- . _1 ' -.- '0 "h I n_-."."fu hziliitis, .- - - __
92 s. #oB~'? ./W e »*r¬::ek P
*92om spoon: PML , ; -' __ 1 _'._.j,_ . KB-,_ EY . »___- . ." L.e| Joan z anon ; . 1.6.34.-.. -- - /' - -.> Dr. Karl Pal some $ . 71.. ! .
- ' F ' A study of nfvaileble les ' - .provided the tollloning intonnati _, ' s .
/
Movements of members of British Diffusion Ission,
' Ear Y_<>5'a_19113-h2;__< __ _. 1 _ - .
_ 92. ~ . ! Professor RudolflPEIEHL3. Arrived mm York '
, - ecem er , 9 . de nuxoerous short joumeys
--'7 .-. within .U. 5'." un'ti-II; ou_iIun9 @;"19hL¢ihg 0f.cia11y:|:92.;.
left the New York office, joumeying to Lee Alamos.
He returned to New Iork on June 21, 191111 to tidy his
affairs and left again for I-oa Alamos an June 29,
'.
- b! c.r. Arrived New York December 3, 19b3.
. Ieft for 5.3. January 18, 19M4- Arrived New
York from U.K. March 17, 191411. Hade numerous5 - short. journeys within .8. until on September 1?, .~» __g 19143.1 he left by plane for the U.K. -
Emil HIGHS. Arrived New York December 3, 19113 and
remaea Eere til a date between 1.1 and 114 August
191:1». On June 1,3, 9M4 London telogrgphed P3I13RLS
- asking for advice on hether HIGHS should return "
to the U.K. to work on roject. 01 June 214, _ _
19111» PSIERLS replied that }e he thought mans _
should retum 11 the project was being taken _'__.
_ seriously, he nevertheless knew that FUCHS would - __ -
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COPIES J; N , ~& _, -~ /If
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- » Q1 -my 29, 191m and agmm-"um; 21¢; 19h1»,' ~
;;i;f-. ._ » mum wrote shying um messy poa1.§iup'Ias still .
' V unoortnin Sut that it looked aa'_-i£ rstum
__ P - to the 11.31 Ether thsn'b_e trsn_sterr9__c}_._1_i__<';_ __i .I I" * _;.- '-->921====>=~<--§.==.92.;1.1=em" h.-191-11 1'-**!?*¥P§?9Pi§ t-.2.13-i 3 A-** _mm1'9N esp! in FUCHS! emmqa E-I I ."' _9,§,f-as ;¢_- . - - to Lo: _1lsmos1'md instnzctiug that »he"§_ou1tIf--c'atch - '.- .
~ » the plans for Satitél Fe Iron Ohi'cég_o' _dn_~lO], "- 1 ~ -
' -191411 vnieniaoulaepresmebiy be co|_:ve?r_xien"t t_$_.qos" '- .
, JUCHS had previously stated that he io 1'_1Id:be_ready ;f_ ,
to leave by August 9, 197411. kl M-1_gu st;A_B, 19111; " '_ " '
-' mmm wrote um 1-vans would be 1aavJ.ng'He|I ~ , '*==
lork "this week". Ch August 11, 191114 mesigned a 1e__ttar from the New York O££'ioe¬% UL - - .
'd!_ 'r.n.n. srcmm. Arrived New York rm u.x. March
' _ 3, I955. ii June 1,-19141: KEAR'ICN_1r:;'pts that SKIR:£B
would be leaving New York fox-*1-09 L1emos'"in about
a month". ' He le*t ifew York tor 1-osAls.mos' on 'June 29, 1'91,|¢] 0, _. .92 2. Secretarial Staff in-British Diffusion l.ssion 92u f
- *ie',?I:~2<1?h.3.-Ph- __ o._ o ". o .
A letter from xmswon dated July 215: 19th stated
_ that Miss CROSBY left the office {last week" and might take up ,a similar job with KFILLET *tAt2i-1: Hrs. GODFREY and Miss' ' GORDUN were still there $92 ' -
In early February 191.-lz PEIERLS wrote saying that ha'/might be able to recruit suitable computers from one or two '{
sources. rst he would ti-y a member of Columbia University
Mathematical Physics Department. If this failed ho would .
I . go to Professor Cour-ant or the Mathematical Tables Organisation. ;__-;;»_92
-lashington subsequently agreed and added that the computers 'V should be on the British pay roH@- [A . " _- _
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= e ~, * m Pebi-nar.v_ at. 19» '1»-_-1-ml -am: ,='>>i*; he '
-" had already tak ' one computer 3m{._t_hat he hoped to -get ' - 03 e .1:-:," -. nu"!-3 . ' "1..- - "°°"'*..' ?"°"-I??? M e " - -. _ I
., . . . . . .'. :-- ' - mom? -- me ate; {tam aiemeséd gu."ti1":i§A1i1tzi its
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and lites tDHD_ON 1|ere.the only permanent secretary-fetypiste ' I_' - emit;-*~t.t a_ peziiandlt ¢rm".¢;>;e.s@."
H > Kiss Gordon was married to an Amortoan but used her maiden name -~ in +.ne'jerriee!. meécmsex was A hesitate: 'é'1-;n'au'gh_t, -
» a first generation immigrant from Russia-. He__Iasf_tmable to say »
definitely whether mother computer had been engaged but he
" thought not. . -" -_ -E The 'I'bcrp1*ali D§.f;?u§ion*Procese q _
I - There are several reiferences -to t .§1if.cu.lty
the Ission was havirig in learning -about the 11.5. Navy
Departmentw research into the Themal Diffusion Process.
. It was early suggested that Professor UREY of Columbia
- University, me visited the v.x. in the apringeof 19th, might
~ know something about it but on Apri.1'1O, 11111 I-mdm reported
. that U£:.E! has said that he had been trying to get i.n£omat:j.on
about the process without success. Q1 April 25, 191111 Dr.
' SILi0'lI wrote to PFZIERIS esling "have you access to CDh'.E1H's
manuscript of experiments on thermal diffusion 01' the liquid".
On Hay 22, 19th Dr. smon wrote to Professor Chadwick saying
"we heard from CO}-[EN - actually P5131115 knew already - that
.' _ the Navy laboratories are building a 1 t plant working withthe thermal cffusion of the_1_!.q921i.d". K
1:. American Contacts of the §ri.t sh lssion. a! C01u::'51a £53.72?-siY_. l l _ '
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,_ . - .-_ 1 ~_ ~_r'_._H-_--."Ar|_yDr; C 1 M5 Said to be FUCHS nona13~co'ntact at G01 bia-". ".A.»~:-1_.-»~":.'."»:-e ~.-.*._-vi-'-§=.'/,Q1 March 1, '1-9111:, PFZEEHLS wrote to Sir Wallace AKERS;&! ~ ' _ _'_~__i;;;-_
"B02131; told no coxidentially that he is resigning '
from Columbia and expects to leave there in a few
' months. He was asked to go to Los Alamos but
turned this down. I mentioned that Berkeley92A were in need of Someone to work in his line of -5 country but he said he wanted to get out of the 1
_ _ project altogether; in any case he had already' méeé up h'is'1:iiri'd to accept a p0sitionY'!ith ~»
Standard Gil. He asked me if I would like to
take over his-team at Colu.miba......... I believe
he was chiefly concerned with facilitating his
own release from the project". -
_ . aThefollowing nemes appear on the files ofpembarsof with whom the British Mission was in contacttg! I-> -I
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WHEELER
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- - 1" " 'D921r.Lng Febméry 191411 PEIRLS and'1UGHS were - - ' '
1 aaperpdztng hm days a week in 1IJ1*fIZING'a office at Kellex,_ having lost th i pravi/ous rooms there which had been taken
over by HOBBS
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ml. nun mu: sscaspu. - ULNIFIEP FYmmnu - 1 S / ' DIOLASSIEY. " .
Ahtlhly 16:11.5 muqhl nid 18¢-In mh@1%19 u »
mrum main -.u-yivoalu
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at attics, jpurn
tau:-at in 21, 19 ; to
apt: tar 29, 194$. % Q
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ll, 191$» urlndlnflhnlnlll
1944 iruastpunpdhhilh8 ,19441lI1u!twp1Ann£0rllIll£Iq_@-
Fuchs -Arrived In Icrk nounbcr 3, 1916, an! 1-mind than until
nlMMAlHn, 1944. 0mhlIlJ,1964, Iaadon ~
Pdnrllnting tor union on iuthnr hula-dwnldromra
tathlhitolliliilnltororkonapropct. 0III_I#;19lp,PBi-It'll
replied thatlmln In thought Inch: should rotlrl tho 1:-ojaut Ian
bang uh: in-1o'a'|J,y, in navartholln haw at hlhnll ha
nlaandntlplllunn. nnJu!;8,19-'»L,!Au4Ia|!N;@'l1bd?a1o1-1|
nyi.ngtMt1p|A1aIu shouldukopraoodnoaonrnpm ctinthn
Un1todI:.mtn.0:J'I1J2t>,19M»,nndlg-liar < tau-tour
Irota nny1ngthLtlachl' position Ian atlun Qgvthaf itlooknd an it hi would return to the United K:l.n r than betunatornd to Ion Alanna. On August 4. 1944; ' N10 inKen:-ton copy tn mm! confining rum-92 pmngii Alamo and
inatrucng that ho should catch tho plan: tor Slll ID Chicago
on ugut 10, 1944, wind: Iould prcmnh]; hi cog an Fuchshad gruioualy stat-ed that he would be rub h _ t 9, 1944-On mam a, 1944, Iaarton mm that rum Ian 1» in-g Be! me:lthil look." OI uguat 1.1, 1944, mm :§4m8- the Ila!York attic! 92t vb e fW M 5Q "J '92u 3,-11: ' "*3.'.~Z;'u **..~ BY L ;_ $
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During hm-any, 1914, Pain-1a.and hen: n:-0
am, ma-u mu> _ ¢ ~_. _______,_..-_....- _ _ ___ *__ _ _ _
U ix- '_., I A1 .; 92; _Z " _y'_:' T2-.:!§__: .
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C-hrlstoplnr but Inn-ton nu queatioand comunmig this nttorpad.
houhiui thntlhalaulouinna A unporuy aocrutuyvith Pain-1:,
92 not a pa-anon: umber at the urn». In. oanq an In Gordan
Iuruthoaulgpn-Inna! aocrntarr-wpiata lunrknnaurdadhalllliiihillikflll um ut.Qr lllczoswuua.kl ihmght, I first gnontian t hm nds. Ho
denitely vhathor not-bar aunts: bl ban ngagod Qghu-.
tho II York Oleo it iuatmetod to ilndhkly inshtl investigation
to tnrthnr identity and lento an abovo-nntionad clpluynn of tbs British
Diftnaioa Italian. Butticiant investigation ahauiui In ooadutcd to dotarntne
u advinmnw or interviewing than enP1-Q1"! in ooanunn with this cue.
You should nnit your rloonndntiana in this ronnb
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wherein there wens listed oon £s_fo,ts7_and associated of Dr. Fuchs ' """as well as individuals considez-g!a¥ b1y being identical with "" .
the unknown subject, with alias Goose ' ferenoe is also made to
my msmorandm of February 11, 1 , erein you were advised that ' ,
[consideration is being given to interviewing these associates for ~information in their possession regarding Dr. Fuchs.
, i
A One 01' the names c tained in the listeof sssooiates wasA that of Christopher Fm wn. That individual is pnssently in
England and unavailable r interview by the Bureau. However, it is ' 1?
, noted that Kearton was a fellow member of the British Mission in the
United States in 1944- Kearton was interviewed by the Britialiprior
to their initial interrogation of Fuchs and it was indicated that ;
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by the British and furnished to the Bureau. _ V
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SUBIECT: KLAUS FUCHS
FILE: 65-58805
SECTION: Q
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R 35 uov 161 0wn rrAc'm= 1&3.-1338 !§'[{3L&S3IE!EDEXCEP1 H
11'. jjwr comell UuJ.vereity,.L ' 1-'1 since 1934,
at the mivereity at Bristol in hglenm
mum-hie euperneionvz Len ame inthe
Ilhieién, £1-ea 1944 be 1946. Subject visited
E133! in 'Scheaeete.dy, I. I», in the gunner at 1946,
and in Ithaca, I; !_-, in the spring or 1948 or 1949. Ir.
mm visited the nbjech-in lnghna Harrell!, during
the euner oi 1948. Br. EIHB advised he never had my"
reason to enepecb the subject oi espionage, and further
b_ha.b eubjectiaever eenedie be pro-Russian. To his know '
ledge, I'U$ never attempted to elicit any confidential
iatcmnatien .'ou'hin. He described him as extremely
In-i1J.1ut nudes one otthetepneninthetorld oni
atomic energy. Ir. BEBE furnished the names or subject-.'s
knmm nteuta in the llnited Stet-es
°:$'r.=°"l?:l|8I§;l " L necussmv -R1: u to ype to bmy, 2/14/50. _mum; - 5; ITBACA, mama _ '929292§--big:-
. _ . w . 92 -nr. ma ea-ms, nueuu nmrihgermn Bainraity,advised that Abe has been I. cloak soeiate ux! triers! o
subject, and that he eoneiderh cue or the um-_1d'e
hiding ltallln lclenbllbee He that let FUGEB Ch the
University 0! Bristol, Brilltol, !ngl8.|:Il,' in 1931» . 311%
was 0. graduate etndent, and mt}!!! ne a reaeer"eh"eea1etenb-' . ' H ' _:ur:< .92$-E53'' " -; rm - wSSlFiE6?$ - aw! ? .
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Dr. BBTHE stated that they did not beeone too sell acquainted at this
tine, and that this pried oi association lasted for only halt a-year.
He learned that F065 had lsrt Gerasny for political reasons, hut did
not learn the details of his leaving. Dr. BREE rensnbered that he
had thought this to be quite eomsmlahle at the tine. Ishjeot impressed
his as s very hrilliant and qniet,and unsssuing young nan. Dr. ETHE
recalled that new at the students and roses:-eh assistants Iould attend
gather for political discussions and that the majority sensed to be very
tar to the left. However, subject never entered into these discussions
am! did not appear to have any political leanings. Isrther, he did not
appear to have an particular friends or ssseoistesi '
1!. BT15 stated that after leaving Hzglsnd, he did not see subject for
quits some tine. He believed, holster, that he perhaps contested his
in-otessionallq in 1936 an! 1938, than he B288! made visits to England.
In 1944, 11'. ETHE was in charge oi the Theoretical Division at the Ins
iluos Project. This division performed the ~oal.onlstions ahead of time
as to how the bomb no to be made and assembled and her it would work.
is a result oi the Quebec. Agreement, England furnished several top
scientists to work in this division. They were about twelve in number,
and Dr. BT88 stated that he does not believe that the bomb I92'>uJ.d have
been completed as soon as it was wit their assist_ ll-G30 ll. BET!-IEpersonally requested that , of the University of
Birsinghaf; be assigned to project. Dr. PEEHI-S l6G6pbCi_"I1'§k the
stipulation that he bring Iith his two of his beet collaborators Dr.FUQS and a-research nan honed,-PBKIBIB!. they Joined the laboratory, and
with some ten Ase:-ioan scientists, rare assigned to the particular task
of determining the best way at bringing together parts of mterials, so
that sitar assent]; there would be more than the Ieritieal sass. ~11.
E'1'HE_atatsd thn the muse of this group is still classed as restricted
in1orsstion'due to the tact that theirwqrk no about the lost highly
oontidential work dons. is s member of this group, subject Ina in Qg .vital a position as a¥o_ne on the _gnti;e_ Evject, and had assess at all
tTiiesto"sII*;urts of he laboratory and doounents, except perhaps
Ions Itop secret! documents. However, Dr. BIB stated that this did
not seen that he oonld not examine the "top seorstl documents which were
necessary to his tort, upon proper elesranoe am! peraission.
Ir. BETH! advised tint snbjeot lived in s dernitcry on the project. He
had a personal automobile, which he bought second-hand at this tins.
He had no particular zoss friends. Subject worked at Los Llsaos under
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the supervision it em. 3583 Ira the suser_t£?19M, until January, I
1946, when BBB J-Ie JIIGE lstt during the ltI$1'»<- = %
In June e.r'Ji11if, 1946, subject visited m~._ earns at the General Electric
Ouaparw, -iheneotady, lies Iork. He was on his wag bask to England. Dr.
B1LI'Hl_reea11ed" that their aain topic o1_ so _ ion was oi; a sad aooi-_dentthet had occurred at Loo Alanna, nen was killed by -
radioactivity when one or the reactors 1-an . . WES atteapted to
oalculate IhI=l1i0h an aooident bad happened. lo did not speni such time
at the plant, aniidid int question 12;. BETH! consuming his work. It
was Dr. !E!*e1roco11eotion that the subject's sister true Boston one
to Schenectady teiect him. He stated that be did not meet the sister
and does not knowhsr name. He believed that subject remained in
Schenectady only one day. -
Sines the above nesting, Dr. BETH! stated that he has seen subject two
other tins Che oooasion was in mgland, during the amner of 1948, when
BETE spent -a day and e. halt at_arI_e11- Betalked to subject, aewe11 '
several other scientists. FINES showed his around a bit, and told
semi-M53 of the theoretical work being dons there» BBTHB Ins under
ers or the Atomic Energy Oomnission not to talk or restricted matters,
so the eosvereat-ion was strictly one-sided. Be stated that the ' e
Jeotiiid not appear to be particularly interested in what was going
in this ooudtry.
marina the spring oi either 1948 or 1949, subject visited Dr; BEE, at
i is invitation, at Ithaca, New York. Be had cone from Haglani to attend
ibeelassifiontien Ieetings, which were held in hshington. Dr. BETHE ad-
Qvised that he believes that FUGB stayed one day. Their lain tepio of
{conversation was nuclear reactors and deelassitication, Again Dr. BETH!
was undenerders not to speak or restricted information;-so all eon-aer-
zsation was one-sided. '
11-. BETHB stated that daring their association, he sever had any reason
to suspect subject or espionage or even to consider his to be pro-Russian.
111165 always remained aloot from political dieousaione. Ho was always
very quiet an! reserved, and appeared to live tor his work. He never
epoks or his lite in "Ge:-may, or snob eonoerniog his tenillg. He did
motion his tether from tine to tine. lb. BETH! stated that he bad always
understood from eonvereation with his mglish associates that the elder
FUGB was a fine old gentleman. Dr. BEIEE advised that to hie lmolleqe,
s§s%§r_ . ._-
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n. 65-1627 , ;_
FUSE never attempted to elicit any confidential information an any A
oi his co-workers. But, as Dr. BETEE put it, subject knew as much
restricted information as anyone and really did not have" to do much
,_questioning in order to know just what was going on. Dr. BETB stated - -.
that subject's arrest was a complete surprise to him, and he now tools
that he does not know whom he can ever trust since he had always regarded
FUCHS as absolutelylioyil and trustworthy.
Based on his mm personal knovedge, Dr. BETEE furnished the following
background data. concerning subject. He immigrated from Germany in 1933
or 1934 to escape Nazi oppression. He was a student at Bristol University,
Bristol, England, from 1934 to 1935, taking his Doctor of Philosophy Deg-ee
there. He remained at Brdstol as an instructor until about 1940, when
he was interned as a German national and taken to Canada. His work, while
at Bristol, was chiefly concerned with the theory of solids.
Subject was returned to England and released in 1942, when he joined the
research staff of Dr. PEILHLS at the University of Birmingham. His
work with PEIEHLS was concerned with atomicenergy, particularly in the
separation of uranium isotopes by diffusion, which according to Dr. 92
BETHE, is the basis of the Oak Ridge Project. When the development of
Oak Ridge was being considered, Dr. PEIERLS was asked to come to this
country as a consultant. He brougzt FUCHS with him, and they planned
many oi the installations there, particularly the diffusion plant. This
work took place in New York City in 1943. _ -
In 1944, PEIERLS and FUCHS went to Los Alamoe, where FUCHS remained
until about July, 1946, when he returned to England. Since that time,
he has been employed at Harwell.
Dr. BETBE stated that he knew of no relatives of the subject in this
country, other than his enter in Boston. He listed the following personsaaaseociates oi the sweet in this country.
12:. vzcron nmssxorr - Physics Department, Naseaolmsette
------- Institute oi Technolog, Boston, Mass.
Dr. RDBEH'?/ HAK - Physics Department, University of
"*" """""'~" Rochester, Rochester, New York.
Dr. HM -Los Llamas Project
__Dr. CAPLSOQQMRK - Los Alamo Project
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Dear 313-: RE: EDIT.» FUCHS
Reavlet February 6, 1950, and Cables Nos. 357 - 362, datedESPIONAGE - R
February 12, 1950.
{' __J Enclosed are the two fragments of the TOP SECRET document g
,1} '- _ referred to therein, portions of ch were read, either vei-batim
_;;-, or in aubshance, by Mr. christma umphries in the Bow Street1
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I Mag:|.strate'a Bourb February 1 , 950 ® M
; , respectfully urged ehat care be taken not to disclose 1
y"§Jt#'xe Bureau's possessicn of the exact phraseology of the document,33$ S since even these fragments have o eejz made public, either
accurately or in their mthaywm. '_
Very oxirs, if/' 1' ' -/~' *5 92 V72? .' *1 in Pr t 3/ é '/' me. _ ;X .' Sh Yu'hiBO11 I f _ -/1 Kpxgelosure U1 Kl Pe:ifa:i;g,L% ! -'- -.I 5/Hi-I ca A .. "
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t _ x!"92, ___>__ ___________ 92_____________J___ ,_ ,_:_;_ 1;? _, ___ if» ,_ ___ ~__»_v_, »" . 39., 7 Shortly utter my release I on usher! to help Zmfenor Pete:-1: in
X ~92- -' _ ' Birmingham, on some var work. I accepted it and I ate:-tesczrk without
knowing at rst what the work was. I Qoubt whether it Ioul have made ; ' > 92" A
I mydiftermmtonyeubeaqumtaomeitlhnihaomthemhareotthe~!~
._ ' to:-k be1o:-ehm. When I learned about the pm-page at the york I dgqig,
5 to inform Rude and. I established. of-intact through another member of the
. Gonwilt my. Since that tin: I have had oontimoun oontaot with
' poruul who can completely m1moInto me, adept tint I knew that they _, I would haul Ihatover Lnfomaticn I gave than to the muim authorities. J
- It this time I had ocnpletc confidence in. Rnnlian pulley and I beliliod -
that the Ionian A111 deliberately allovd Route and Germany toght »
each other 1» I10 death. I ma enmrm no helihon in ;1.v1.ng- m the
infou-mtim I hi, oven though occasionally I tried. to omoentmte I I 1.:_ 2k min]; on xing lufornaticznhout the results of up om work. . __/J4 _ ._
Inthaoom'eeo£th1eInrkI'bogmn'aturaJJyto mmbondeofper-7 II» -
zonal trienlliy and I had. to conned. tron thealq inner thoughts. I used
my Ma1:d.at phoaoptgy to" establish in on mind too separate oomparhnents. »
neoowpu-hnu:t1nd,ohIe1lo1e&n92yue1ftouko£rieneh1po,tohavc - i..92 personal relations, to help people and. to be in 9211 per:-mom]. ray: the ld.nd.I,, ,
=1-mnxmma tobe and the kindofmnihidz, inn pa:-soaalway, IhaE f "!beu1'bo£O1'e'?Il.ihnU'1md.l in crneu: thoOunm1at Perv. Iaouldbe - 4
_ t because I Ina that the other compartment Ioul& atop in if I approached. thug -
danger point. I could forget the other couparbnent and still mly on it. ;_ »
It eppeu-ei to no at the time that I had. became a "true man" because I had
-auoceeed in he other oomparhnont to eatabliah mm: ocmphtely i.ndepon- -__ fdent at the mrrozmdhmg forces of society. Iooldng back at it now tho heat g. L my of expressing it seems to be to c2J;'1'i;;_ %:; ma aa4£H~5T '"" 1- I ,_ ,...-w on,-.145, " ow-* -1/1-H
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IIn the poet ear period I began again to have qy doubt: about
Russian policy. It in impoeeible to give definite imidente because
not the oontrol _meohe.nien ma against me aleo in keeping sway from
ue taote Ihioh I could not look id thei hoe but they did peneirate
an! eventually I oenie to e point .ihe:'1'I knew I disapproved of ma:-qr
actions o1" the mam G-ovemennt and of the Oomunilt Party, but I _},_
etill believed that they would build a an orid and that one day ;:..:.,
I eoulo take pert in it and that onthat lay I Iould also have-to etch!
upgaeno esgnto then; that there -_ thing which theyoere doing 'During t1.92ie92tine'I"1es nd,t"nn-0 e Egon}! 31 allthe ¢'¥that I luul. -' Bolever it became _ Z euro evideaoewthat the time she: - _Russia 1|ould_'e::pg._'e4 he:::_;zj._I._ _ "over Bucope nee" for spay and that there- _fem I hie to decide! noel! whether I oonlé go ,en tor mmqehi-s to '
continue handing one-iaferntion yithout being sure in QT
I nu doing right. I decided that I__oeuld not do eo.._ I.4_ii4~,not-go to one A
remiez.-voue beoauee I was ill at the tine I eeoideiaot to go to the .
following one. __ _' - ' -V _ _ .n. ._
Shortly efteruerda 117 father tol me that he night he going into the
Eastern Zone of Gemeoxy. Lt that time my own mind was closer to hie than
it had ever been he£ore,__heoeueo he also believed that they are at least V ~
trying to huilo a on world. Be disapproved! of may thingsend he had
always done so, but he I:nthat 'ehen he went there he would say sound;
he thought that in doing so he might help to mehe them realise that you
cannot build a new world if you destroy some mtlamentel deoeneies in per-
sonal behaviour.__ I could not bring lqyaelf to etop my father from going
there. However it made me face at least some of the facts about qyself.
I felt that ow father's going to the Eastern Zone, that h letters, would
touch me somewhere and that I was not sure whether I would not go back. I *
suppose I did not have the courage to ght it out for myself snd_thep'$fo1;e
I invoked an outside influence by informing security that ow father was W
going to the Eastern Zone. A few months passed and I became more and '
more oonvinoee that I had to leave Harrell. I was -than oonfronted with
the fact that there was evidence that I had given away information in
New York. I was given the chance of admitting it and staying st Harwell
or of clearing out. I nae not sure enough of qyself to stay at Harwell
and therefore I denied the allegation and deoideé that I would have to
leave Harwell...._, --%.
However it then begebn to become clear to me that in leaving Harwell
in those circumstances I noul do two things. I would deal s grave blow
to Harwell, to all the work which I had loved and mrthermore that I
would leave suspicions against people when I loved who were ow friends
and who believed that I was their friend, I had tofece the foot that it
had been possible for me in one half at ow mind to be riends Iith people,
he olose friends and at the same time to deceive them and to endanger them.
I had to realiee that the control meohaniam had earned me of danger to
myself but that it had also prevented me from realising what I was doing to
people who more close to me. I then reslieed that the eombinetioh. of the
three ideas which had made me what I was use wrong, in feet that ever; .
single one of then use wrong, that there are oertaio standards of moral
behaviour which ere in you and that you cannot disregard. that in JG '
notions you must he oleer in your oen mind whether they are right or wrong.
That you must he able before eooepting somebody else's authority to state
your doubts and to try and resolve them; and I found that at least I
ouaelf ens made by oi:-cumstames. -
I know that I cannot go back on that and I keel that all I can do new
ietotryandrepairthe damagelhavedone. The first thingistognakeeuro that Fnnell will suffer ae little as possible and that I have to save /,
tor cw friable as uzuoh as possible of that part that -was good in ow relations .
1-an them. 92
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v -W , __C_. _.._SUBJECT: ICLAUS FUCHS
FILE: 65-58805
SECTION: 5
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KRIITEL FUGRS IEMm >
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svmcr mz. ovum xmus were "Ins |mrromms - s L/l}§f| 3" ;d K ' '* I- ._ ;.. ._ .. "/I .' , j/Q . i ' fwas t.»':..»1;/ so/9*./:,*_*_~a../17/>%197F5~":/?~=a -' '~' ---l-10----'-**" "" "" *M" - L Qfhc our
Ihe purpose oi this nenoreniun is to bring to your attention'the " - jpoi-wooot developments in this investigation since the arrest or the subject. 1:: -- :
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_ Oar investigation at the present time is primarily concerned with
tiing the Boriet espionage contact of Fuchs in the Ihited States The ' Ugh jsilable inter on concerning this individual who Ias identified in.t_he '
infometion tr dsr the IIIO cover muss of Goose and Ais as Iollolsi ! .. ~.. _ g E " ~-
Le or August 29, 195$ it was reported thotoooo hadsttsnpted to
contact Fuchs alter Fuchs had missed meetings uni on ixnuiry at his apartment
Goose had learned that Fuchs had returned to Great Britain. For the purpose C
or verifying this, Goose attempted to contact Fuchs! sister, but learned theQ; the sister and her husband Iould not return until September 20, 1941.. no ,WQ October 4, 1944, it Ins further reported that Fuchs sister had not returned "
92| home and that Goose planned mother trip to see her_.on ootober 12th. _m
er 14, 191»/u it was reported that Goose had made contact with Noble$ xsister and had learned that Fuchs had not returned to Great Britain but hadR ggooo to Camp 2 Ins nmoo!. It was reported tmt Fuchs ma told his sistert iuot he Iould nest her at _ s 1-.1 1944, and Goose planned to establishg oliaison with Flwhs at that time __ . LU - _
._.. -~§f_ _ no addition to the contacts with Fuels, intormationir
92g; fleets 1-bet en August 1, 1944, Goose reported to his espionage super ogghat Abraham Brothman had stopped working at the daenurgy Design Goszpangj.Is!
coee reported that Brothmnn had been collaborating with Theodore Heili 1gin the production of aerosol bombs. It was reported that Brothmen had '
chested in two business arrangements by his partner. It was mrther set forth
that m-ct-man had set up his om laborat-cry at 114 East 32nd Street, Is! Iork
City, and would soon conclude his work on aerosol and DDT. Ihile the into:-nation§1o fragmentary, it Ins indicated that Goose templeted using BrothmnA is also the mention of st$lO0 a no _ >,,__=_-_-i,_: . Q3_;_5/ ,_,.,~.»;3jQ,/; ':1_,92.'. 1 - '92_ ._'_., '._'I"" I"|' I" 'mDecm92ber13 1941+ the1l}Breee tivelgglelk P1 8 A I.. or re1530 that 11° <11-¢ 00* deem itfsdvisable to concentrate all espionage sctiiity -/LP against Atomic Energy installations in Goose, for the reason that it would be
too risky. Be commented that while such e plan would he nvorahle in that it
would limit th Ih e group o persons it hly would not be advisable from
snot er uns eied tend int o ,. , I4 _ pa commas nEg;R0§ IkD " 6;? ""' 4 ' AAttachment R 35 NOV 161950 /Iv . 3 IRJLaea1 een! M.Z.EMeqgf¬J,_o-~ gnu; 1* *" FM 0' '"*y'T; 135 5§J?<=¢?i $51/
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