National Museum of Nuclear Science & History
John Brolley was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Leslie Spalding worked for the United States Engineer District Office.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Eleanor Gish was a laboratory worker at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.