National Museum of Nuclear Science & History
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.
Brown worked in the United States Engineer District.
Clarkson worked in the United States Engineer District Office.
N. E. Mazuco served in the 509th Headquarters and Base Services Squadron.
