National Museum of Nuclear Science & History
Eleanor Kinser worked for the Roane-Anderson Company.
Joseph Getzholtz worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Stanley McCracken worked for the United States Engineer District Office.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Earl Smith worked for the H. K. Ferguson Company.