National Museum of Nuclear Science & History
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
Edwin Roberts Russell (1913-1996) was an African American chemist who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory.
D. W. Stewart worked for the Tennessee Eastman Corporation at the Y-12 Plant.