National Museum of Nuclear Science & History
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. G. Mansfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arnold E. Sleipnes served as a techical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
F. G. Reichle worked for the Tennessee Eastman Corporation at the Y-12 Plant.