National Museum of Nuclear Science & History
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fain worked in the United States Engineer District Office.
Francis L. Friedman was a theoretical physicist and group leader at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Crawford Greenewalt (1902-1993) was an American chemical engineer. He was one of the managers of the Manhattan Project for DuPont.
