National Museum of Nuclear Science & History
William D. Crawford served in the 1027th Air Material Squadron.
Glen H. Floweree served as a staff sergeant in the 393rd Bombardment Squadron. He was the radio operator on the B-29 Jabit III on the Hiroshima mission.
Bob Emigh was in the Navy and worked with Deak Parsons on telemetry for the bombs. He was assigned as the science officer for the planned third bomb.
Samuel Allan Kline was a student majoring in physics at the University of Chicago before going to Los Alamos to work as a physicist.