National Museum of Nuclear Science & History
John Fancher worked for the Kellex Corporation at the K-25 Plant.
R. B. Somers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Boston worked at the 200 West Area at Hanford during the Manhattan Project.