Jacob Perez

Jas R. Whitcomb

Jas Whitcomb worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Sam Campbell

Before he came to Hanford Sam Campbell had a varied work history, including service with the coast artillery in the Philippines and pipeline construction in South America.

Ruth Ewen

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.