National Museum of Nuclear Science & History
S. M. Kelly worked for the Roane-Anderson Company.
James S. Duva served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the navigator on the B-29 Jabit III on the Hiroshima mission.
Cordell W. Callahan served in the 1st Ordnance Squadron.
Gale Young was a research associate in theoretical studies at the University of Chicago Met Lab. Before joining the Manhattan Project in 1942, Young taught mathematics and physics at Olivet College.