National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Leonard W. Markley served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
T. R. Elkins worked for the H. K. Ferguson Company.
Jane Roberg was an American physicist. She earned a Ph.D. from Duke University and was working at the University of California when she was recruited to work on the Manhattan Project at Los Alamos.