Question

Who was the subject of a 4 week inquiry by the US Atomic Energy Commission in 1954 into his background, actions and associations, due to suspicions that he was a member of the Communist Party and might have spied for the Soviet Union, which resulted in his top secret security clearance being revoked?

Answer 1

J. Robert Oppenheimer
Oppenheimer was the American scientist who had headed the Manhattan Project that developed the atomic bomb for the USA during World War II.