National Museum of Nuclear Science & History
H. S. Russell worked for the Roane-Anderson Company.
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.
Rubby Sherr (1913-2013) was an American physicist. Shortly after finishing his Ph.D. at Princeton University, Sherr was performing groundbreaking radar research at the MIT Radiation Lab.
Butt worked in the United States Engineer District Office.
