General Leslie Groves and J. Robert Oppenheimer were the two men chiefly responsible for the building of the first atomic bomb at Los Alamos, code name "The Manhattan Project." As the ranking military officer in charge of marshalling men and material for what was to be the most ambitious, expensive engineering feat in history, it was General Groves who hired Oppenheimer (with knowledge of his left-wing past), planned facilities that would extract the necessary enriched uranium, and saw to it that nothing interfered with the accelerated research and swift assembly of the weapon.This is his...