National Museum of Nuclear Science & History
R. G. Mansfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. D. Bales worked for the Southern Bell Telephone Company.
John Dillon worked for the Tennessee Eastman Corporation at the Y-12 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.
