National Museum of Nuclear Science & History
J. E. Mason worked for the Roane-Anderson Company.
Stewart worked at the 200 West Area at Hanford during the Manhattan Project.
Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.
John H. Keyser served in the 393rd Bombardment Squadron.