National Museum of Nuclear Science & History
Leon Sayvetz was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Arthur Watmough was an electrical engineer working for the DuPont Chamberworks Company in New Jersey from 1941 to 1947.
Kattie Strickland was part of the janitorial staff at Oak Ridge during the Manhattan Project. Unlike the white women whom she worked along side, Ms.