National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
Blackstone worked in the United States Engineer District Office.
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.
John Moriarity was a procurement officer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
