National Museum of Nuclear Science & History
D. J. O'Leary worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. R. Dake 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.
