National Museum of Nuclear Science & History
R. M. Thomas worked for the United States Engineer District Office.
Hilgeman worked at the 100-D Area at Hanford during the Manhattan Project.
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.
J. D. Mitchell worked for the Roane-Anderson Company.
