National Museum of Nuclear Science & History
Hannoch worked in the United States Engineer District Office.
Daniel N. Koshland was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Thomas Braswell worked on the assembly line for Mallinckrodt Chemical, a civilian contractor for the Manhattan Project in St.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
