National Museum of Nuclear Science & History
B. H. Roffee worked for the United States Engineer District Office.
John Vach was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Leon R. Miller served in the 1027th Air Material Squadron.
Ben Benjamin was a sergeant in the Special Engineer Detachment during the Manhattan Project. He had previously worked in industry making lenses and prisms, and was assigned to the Optics Group to help with photographing the Trinity Test.
