National Museum of Nuclear Science & History
M. E. Brennan worked for the Watson-Flagg Engineering Company.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.
Raymond P. Biel served as a second lieutenant in the 393rd Bombardment Squadron. He was the co-pilot of the B-29 Full House, which served as a weather reconnaissance plane on the Hiroshima bombing mission, and the backup strike plane on Iwo Jima on the Nagasaki mission.