National Museum of Nuclear Science & History
E. P. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Smith worked at the 100-D Area at Hanford during the Manhattan Project.
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.
Paul Gauger worked for the Tennessee Eastman Corporation at the Y-12 Plant.