R. A. Fetterman

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.

M. M. Williams

Williams worked for Stone and Webster Engineering Corporation.

Byron Johnson

Byron Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Catherine Schmitz