National Museum of Nuclear Science & History
Shirley Padgett worked for the United States Engineer District Office.
Dorothy Lipps was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Wilcox P. Overbeck was a research associate and instrumentation designer at the Chicago Met Lab. He was responsible for calling out the neutron count when Chicago Pile-1 went critical on December 2, 1942.
Jimmy Vale joined the Manhattan Project in 1943, where he helped operate calutrons as part of Ernest O.