National Museum of Nuclear Science & History
Hardie worked in the United States Engineer District Office.
Ralph Bane was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
George L. Brabenec was a master sergeant in the 393rd Bombardment Squadron. He served as the flight engineer of the Necessary Evil, but flew in the Big Stink during the Nagasaki mission.
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
