National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry J. Coury served in the 603rd Air Engineering 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.
John W. Gofman was an American scientist who helped develop plutonium separation techniques during the Manhattan Project.
