National Museum of Nuclear Science & History
T. Frydell worked for the Roane-Anderson Company.
Harold Hurst worked for the J.A. Jones Construction Company.
Brown worked in the United States Engineer District Office.
Robert L. McNamee served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.
Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.