The Manhattan Project

Charles Critchfield

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Charles Critchfield was a mathematical physicist assigned to work on the development of gun-type fission weapons, and eventually implosion-type weapons, at Los Alamos. He returned to Los Alamos in 1952 to work on the development of the hydrogen bomb. In this interview, Critchfield explores the personalities of his fellow Manhattan Project scientists, including Edward Teller, J. Robert Oppenheimer, and Niels Bohr, as well as their personal and professional conflicts. He also discusses the difficulties he faced first in the design of the atomic bomb, then in the design of the hydrogen bomb, especially regarding the Initiator.