National Museum of Nuclear Science & History
D. V. Zehner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bonbrake worked at Los Alamos during the Manhattan Project.
Ellsworth T. Carrington served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the co-pilot on the Jabit III during the Hiroshima mission.
Albert D. Alexander served in the 1st Ordnance Squadron.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.