Cohn's historic interrogation of David Greenglass sent
Julius and Kthcl Rosenberg to the chair. The Rosenberg
case became world-famous in 1953 when Communists
s,Mighl clemency and wanted publicity, lint at the time of
the trial in 1951, it was lost in tlle ulacc from the Kelunvei-
hearings. Facts) Forum News begins serialization from
record of trial.
—Wide World Photo
Roy Cohr. questioned Greenglass.
Selections from the testimony of
'""I Greenglass, with Roy Colin as
""■nneap.r. March <>. 1951.
,. t- Vour sister is the defendant Mrs.
""'I Greenglass Rosenberg; is thai
J»- That is hue.
i- And another defendant, Julius Ro-
~erg. is your brother-in-law ?
'■ lhal i- true.
, .■ Now. in 1943 did you enter the
"?) of the United States?
o ' did'
j -■ Now. am I correct in stating thai
jj.r"ig the- next year, July. 1943, le.
. * 1944, you we're stationed al \ari-
I;* Posts, Army posts, throughout the
"''"dS ..y "
0 ' Was'
,„■'■ Now, in July of 194 I. did you re-
')'' a new assignment?
(jAj" lo what location? At whal loca-
\, ■ 1" Oak Ridge, Tennessee, the
[' W hen was that?
,,' tl Mas July. I'll I.
'he H* you at that time know whal
t . Manhattan District Projeel of the
'''"'I States \inn was?
, ' I did not.
i:i '' ' "ii know now it was the projeel
|| -e of construction of lhe atomic
is thai correel ?
0 ' ''"
l|j(j' Now. when vou were oul al Oak
|^ft. Tennessee, in July of 1944. how
C "id you -ta\ oul there?
i(' \lioui |,,,, weeks.
-iv,. ,u- during thai period were you
." 'Hn security lectures?
■.,„;•, »id thev
concern tin- new i
e "''"' to undertake?
,,' »», thev did.
" n,'i'' you i.el.I anything aboul the
Ts FORUM NEWS, March, 1955
nature "I those duties and the nature ol
the work al Manhattan Project?
\. I was.
Q. W hat were you lold?
A. I was told thai il was a secret
(,). Were \ou told al lhal lime what
weis going on at lhal project, whal was
leciiiL' constructed ?
Q. ^1 mi were told nothing about thai.
is that correct?
\. Nothing al all.
Q. Was the Espionage Act mentioned
to you in connection with revealing any
information as to what weis going on in
the Manhattan Project?
\. It was.
Q. After your [wo weeks' orientation
;il Oak Ridge, Tennessee, were you then
assigned to reporl to some other place
in the I nited States?
A. I was.
Q. Where was that?
A. I.os Alamos. New Mexico.
0. How did you go oul there?
A. Train all the way.
Q. Aboul when did you reporl al Los
V. Vugust, 1944.
Q. When you reported at Los Alamos
were you given certain instructions concerning the duties you were to pursue
A. I was inten iewed for a job.
(). Did there come a lime when you
were told thai you would work as a machinist in the shop?
V That is righl.
(I. Wen- you told ai thai time the nature of the work being done at Manhattan Projeel?
Q. Weis the facl thai it was secret reaffirmed to you ?
\. It was.
Q. Were you told jusl how much you
were to know about what weis going on
al Manhattan Projeel ?
A. I was told I was to know as much
as wee- necessar) to elei mv job.
0. Ami nothing more?
A. Nothing more.
(,). Now. would you tell us at ihis
point when it was that you learned for
the first time thai the Manhattan Project Districl was the district of the [Inited
States Arirn concerned with the construction of lhe atomic bomb?
A. W hen my wife | Ruth Print/
Greenglass] came to visit me in November, I'll I. she told me thai Julias
hull said that I uas working on the
atomic bomb. [ Emphasis supplied. |
Q, And thai was the firsl you knew
A. Thai was the firsl I knew of it.
Q. A ou had never been lold thai by
anybody in an official capacity eel the
I 'nited Stales government?
A. No, sir.
Q. During the first few months you
did nol know just what was being done'
at Los Alamos?
A. That's right.
Q. Now. I think vou said vein were
assigned to work as a machinist?
A. I was.
(,). And where, physically, was your
A. It was al a shop called the "E"
building shop or the "student shop" in
the technical area al Los Alamos.
Q. Did the "!'" group have a head or
A. Ii did. His name was Kistiakowski.
Q. Is that Dr. George I!. Kistiakowski of Ilarv end 1 niv ci-itv ?
A. Thai's right.
(,). And do you know what his professional standing is. in what field he is
A. Acs. I do. He is a thermodynamics