National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
David R. Inglis was an American physicist who worked on the atomic bomb configuration design at Los Alamos from 1943 to 1946.
Friedrich worked in the United States Engineer District Office.
J. A. King worked for the Roane-Anderson Company.
William A. Jones served in the 1st Ordnance Squadron.