National Museum of Nuclear Science & History
McCampbell worked for Stone and Webster Engineering Corporation.
Thomas Puddester was a staff worker at Los Alamos 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.
J. S. Hart worked for the Tennessee Eastman Corporation at the Y-12 Plant.
