National Museum of Nuclear Science & History
M. E. Gregson worked for the Roane-Anderson Company.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. D. Jones worked for the Roane-Anderson Company.
