National Museum of Nuclear Science & History
J. G. LeSieur, Jr. worked for the United States Engineer District Office.
T. Edmonds worked at the 200 West Area at Hanford during the Manhattan Project.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.