National Museum of Nuclear Science & History
J. D. Mitchell worked for the Roane-Anderson Company.
A. O. Seidel worked for the Asbestos & Magnesia Materials Company.
Harry Palevsky (1919-1990) was an American engineer. A Chicago native, Palevsky began his work on the Manhattan Project at the University of Chicago Metallurgical Laboratory shortly after finishing his undergraduate career at Northwestern University.