National Museum of Nuclear Science & History
John Manthey worked for the United States Engineer District Office.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marjorie B. Housewright was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ruth Boe worked at the Met Lab in Chicago from November 1943 through June 1945. She was in Farrington Daniels’ division, in the graphite research section.
