National Museum of Nuclear Science & History
Ruth Hillard was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
M. Carlson worked for the Roane-Anderson Company.
Marie Cardwell arrived in Oak Ridge in February, 1945. She was hired as the Document Librarian for the Y-12 Plant and held for the remainder of the Manhattan Project, and for several decades afterwards.