The Making of the Atomic Bomb: 25th Anniversary Edition

by Richard Rhodes

B thereafter told a little about

Footnote- “The Counsellor . . . the occupation”: “Conversation between B and Counsellor Zinchenko at the Soviet Embassy in London on April 20th, 1944, at 5 p.m.” JRO Papers, Box 34. (Note- JRO is Oppenheimer)