National Museum of Nuclear Science & History
H. L. Small worked for the Kellex Corporation at the K-25 Plant.
Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.
Anton Poslof served in the 1027th Air Material Squadron.
R. L. Newell worked for Clinton Laboratories at the X-10 Reactor.