National Museum of Nuclear Science & History
W. M. Locke 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.
M. P. Covert worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ruska worked for Stone and Webster Engineering Corporation.
