Klaus Fuchs | The 'Atomic Spy' on Oppenheimer's Manhattan Project Klaus Fuchs: The Scientist Who Betrayed the West – A Nuclear Espionage Documentary l Atom Bomb l Spy Klaus Fuchs: The Nuclear Spy Klaus Fuchs:The Atomic Spy Who Changed History #manhattanproject #oppenheimer #klausfuchs #espionage The Spy Who Betrayed Oppenheimer | Klaus Fuchs Episode 1 MI5 Close In On The Spy Who Betrayed Oppenheimer | Klaus Fuchs Episode 4 From the archives: Robert Oppenheimer in 1965 on if the bomb was necessary Freeman Dyson - Why I don't like the PhD system (95/157) John Wheeler - Klaus Fuchs. The US Reactor Safeguard Committee (51/130) Freeman Dyson - The betrayal by Klaus Fuchs (90/157)