National Museum of Nuclear Science & History
J. R. Maddy worked for the United States Engineer District Office.
Newton R. Mahon served in the 320th Troop Carrier Squadron.
John D. Hopper served as a civilian in Project Alberta.
Charles Swartout worked for the United States Engineer District Office.
Paul Laulotta was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
