National Museum of Nuclear Science & History
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.
D. W. Bledsoe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Tabb worked at the 100-D Area and 300 Area at Hanford during the Manhattan Project.