National Museum of Nuclear Science & History
P. V. Weaver worked for the United States Engineer District Office.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
B. Roswell Russell worked in the Health Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.