The building of the Atomic Bomb (Part 4)

Until his death in 1970, Maj. Gen. Leslie R. Groves never had a single regret about the lives that were lost as a result of the Manhattan Project

The building of the Atomic Bomb (Part 4)

Until his death in 1970, Maj. Gen. Leslie R. Groves never had a single regret about the lives that were lost as a result of the Manhattan Project