National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
William J. Jenceleski served in the 603rd Air Engineering Squadron.
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.
E. W. Smith worked for the Union Carbide & Carbon Corporation.
William Feyder worked for Clinton Laboratories at the X-10 Reactor.
