National Museum of Nuclear Science & History
Caldwell worked in the United States Engineer District Office.
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Miller worked in the 100 F Area at Hanford during the Manhattan Project.
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
