National Museum of Nuclear Science & History
Spencer Thomas worked for the United States Engineer District Office.
Frederick D. Clayton served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
C. O. Nagle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bretscher worked at Los Alamos during the Manhattan Project.