Jesse Edgercomb

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.

C. P. Render

C. P. Render worked for the J.A. Jones Construction Company.

W. K. Bressler

C. T. Burton

Burton worked for Stone and Webster Engineering Corporation.