National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
R. M. Ayers worked for the Roane-Anderson Company.
Paul W. Walk served in the 393rd Bombardment Squadron.
Homer W. Ibser was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. W. Llewellyn worked for the United States Engineer District Office.
