National Museum of Nuclear Science & History
M. L. Piker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. N. Babcock worked for the Roane-Anderson Company.
Thomas was a group adjutant with the 509th Composite Group at their headquarters in Wendover, Utah and Tinian Island in the Pacific.
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.