National Museum of Nuclear Science & History
Seth Neddermeyer (1907-1988) was an American physicist. Neddermeyer was recruited to work on the Manhattan Project by J.
Amanda Stein was a research assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Carl C. Mason served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.