National Museum of Nuclear Science & History
F. M. Livingston, Jr. worked for the Roane-Anderson Company.
Attended the City College of New York.
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.
Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.