National Museum of Nuclear Science & History
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
Francis D. Thornhill served as a captain in the 393rd Bombardment Squadron. He was the navigator on the Straight Flush during the Hiroshima mission.
F. D. McIntosh served in the 509th Headquarters and Base Services Squadron.
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.