National Museum of Nuclear Science & History
Carroll Villincs was a guard at the Chicago Met Lab during the Manhattan Project.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
Philip M. Barnes served as a lieutenant in the 1st Ordnance Squadron. He was the assistant weaponeer on Bockscar during the Nagasaki bombing mission.
Rosalin Small was a staff worker at Los Alamos during the Manhattan Project.