National Museum of Nuclear Science & History
Hugh Long worked for the Edenfield Electric Company.
W. A. Boehm, Jr. served in the 390th Air Service Group.
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.
Kenneth L. Baxter served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew on the B-29 Jabit III.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.