National Museum of Nuclear Science & History
Carl Kaddatz served in the 1st Ordnance Squadron.
Hughes worked for Stone and Webster Engineering Corporation.
Robert Serber (1909-1997) was an American physicist. He was recruited by J. Robert Oppenheimer to work on the Manhattan Project.
Edward Wiggers was a staff worker at Los Alamos during the Manhattan Project.
L. Kenney worked for the United States Engineer District Office.