National Museum of Nuclear Science & History
G. C. Kreis worked for the J.A. Jones Construction Company.
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.
O. G. Bolin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fred W. Goodloe was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.