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.
E. E. Kirkwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.
L. A. Waddell worked for the Roane-Anderson Company.
