National Museum of Nuclear Science & History
Hayes worked in the United States Engineer District Office.
Margaret Brown was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
David H. Frisch was an American physicist. He worked on the Manhattan Project at Los Alamos, working with the Van de Graaff long tank accelerator to measure neutron cross sections.
Peyton Drake worked for the Tennessee Eastman Corporation at the Y-12 Plant.
