National Museum of Nuclear Science & History
H. W. Butsch worked for the William A. Pope Company.
Donald D. Piehl served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Billy J. Harman served in the 603rd Air Engineering Squadron.