National Museum of Nuclear Science & History
Charles Rea worked for the United States Engineer District Office.
Mary Stephens worked for the United States Engineer District Office.
Dixon worked for Stone and Webster Engineering Corporation.
Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Helen Pellock (1926-1957) was a technician in the Chemistry Division of the Chicago Met Lab, working under Glenn Seaborg.
