National Museum of Nuclear Science & History
Harold Katz worked for the Roane-Anderson Company.
N. J. Johnson worked for Hanley & Company.
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.
Walter F. McCaleb served in the 393rd Bombardment Squadron.
