National Museum of Nuclear Science & History
Walter Johnson worked for the United States Engineer District Office.
Duillio DiCostanzo worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. H. Davis worked at the 100-F Area at Hanford during the Manhattan Project.
Elvin Krieble worked for the United States Engineer District Office.
John J. Kroes served in the 1st Ordnance Squadron.
