National Museum of Nuclear Science & History
Blackstone worked in the United States Engineer District Office.
L. M. Richards was President of the Atlantic Richfield Hanford Company, which took over chemical processing operations at Hanford in 1967.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).