National Museum of Nuclear Science & History
E. H. Grey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bergman worked in the United States Engineer District Office.
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.
R. C. Schuler worked for Clinton Laboratories at the X-10 Reactor.
