National Museum of Nuclear Science & History
C. O. Nagle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rudolph H. Gerken served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
Trumper worked for Stone and Webster Engineering Corporation.
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.