. Retrieved 2008-05-22 .   ^ Herken 2002 ^ Haynes, John Earl (2006). Early Cold War Spies: The Espionage Trials that Shaped American Politics . Cambridge : Cambridge University Press . p. 147. ISBN   0521674077 . http://books.google.com/?id=pNwEyL1b6XQC&printsec=frontcover#PPA147,M1 .   ^ "When he joined the atomic bomb project he admitted in his