Charlie L. Gibbs

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.

Tony Dirksmeyer

Charles E. Mallon

Charles Mallon worked for the Kellex Corporation at the K-25 Plant.

Robert H. Griner

Attended Purdue University.