National Museum of Nuclear Science & History
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.
Charles Cooper was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
