National Museum of Nuclear Science & History
Cook worked in the United States Engineer District Office.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
Robert “Bob” Hayes worked as an airplane mechanic on Kwajalein Island, maintaining Boeing B-29s. He talks about life in the Pacific during World War II, being trained to use a flamethrower on Iwo Jima, maintaining complicated airplane engines, and witnessing the Bikini Atoll nuclear tests.