National Museum of Nuclear Science & History
James Hayse worked for the Midwest Piping and Supply Company.
Hans Courant (1924- ) is a German-born, American physicist. After only completing one semester at MIT, the army recruited Hans Courant.
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Cairnes worked at the 200 West Area at Hanford during the Manhattan Project.