National Museum of Nuclear Science & History
Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. J. Mack worked for the Edenfield Electric Company.
Nathan Safferstein (1921-2013) was an American counterintelligence agent during the Manhattan Project.