National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
Blum worked in the United States Engineer District Office.
Dr. Beyer 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.
