National Museum of Nuclear Science & History
Attended Notre Dame University.
H. W. Butsch worked for the William A. Pope Company.
W. J. Oates worked for the Kellex Corporation at the K-25 Plant.
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.