National Museum of Nuclear Science & History
G. W. Johnson worked for the Edenfield Electric Company.
Harold Urey (1893-1981) was an American physical chemist and winner of the 1934 Nobel Prize in Chemistry.
John Russell served in the First Ordnance Squadron.
Robert Martens was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. N. Holt worked for the United States Engineer District Office.
