National Museum of Nuclear Science & History
M. L. Piker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Mario A. Litterio served as a PFC in the 393rd Bombardment Squadron. He was a member of the ground crew on the B-29 Full House.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
