Freeman Dyson - The betrayal by Klaus Fuchs (90/157)
Nuclear Secrets 1 of 5 The Spy from Moscow
Nuclear Secrets 2 of 5 Superspy
German-British physicist Klaus Fuchs was born. He worked on the Manhattan project and passed information about it to Soviets. He was esponsible for many significant theoretical calculations relating to the first nuclear weapons, and later, early models of the hydrogen bomb. In 1950, he confessed he was a spy.