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.
Davidson worked for Stone and Webster Engineering Corporation.
Sherwood Johnston worked for the Roane-Anderson Company.
W. C. Price worked for the Poe Piping & Heating Company.
