Kermit H. Romine

Alfred H. Stark

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.

J. R. Siebert

J. R. Siebert worked for the Comstock-Bryant Electric Company.

Dan Stephens