National Museum of Nuclear Science & History
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Robert Fisher worked for the Roane-Anderson Company.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.
Ralph Rogers worked for the Tennessee Eastman Corporation at the Y-12 Plant.