National Museum of Nuclear Science & History
J. J. Allinson worked for the Kellex Corporation at the K-25 Plant.
Robert J. Hennes served in the 509th Headquarters and Base Services Squadron.
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.
