National Museum of Nuclear Science & History
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.
Morris worked in the 300 Area at Hanford during the Manhattan Project.
Robert Spencer Stone (1895-1966) was a radiologist and headed the Health Division of the Chicago Metallurgical Laboratory (Met Lab) during the Manhattan Project.
C. H. Hemmel, Jr. served in the 390th Air Service Group.