National Museum of Nuclear Science & History
Robert Cross worked for the Roane-Anderson Company.
J. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Betty Murray was a technician in the Solvent-Extraction Group at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.