National Museum of Nuclear Science & History
Calvin B. Popwell 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.
Charley L. Stone served in the 603rd Air Engineering Squadron.
H. A. Rehnberg worked for the Kellex Corporation at the K-25 Plant.