Frank J. Feally

Vincent Caleca

Vincent Caleca served in Project Alberta.

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.

Donald Weir

J. M. Ayers

Ayers worked at the 100 D Area at Hanford during the Manhattan Project.