Kirby Ross

R.K. Norris

Fred R. Sexton

Fred Sexton worked for the Tennessee Eastman Corporation at the Y-12 Plant.

G. V. Aldridge

G. V. Aldridge worked for the J.A. Jones Construction Company.

Ben Benjamin

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.