National Museum of Nuclear Science & History
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”).
John Morris worked for the United States Engineer District Office.
John Kenyon Kinnear, Sr. was raised in Brooklyn, NY. He joined the Army and because he was a tool and die maker, he was assigned to the Manhattan Project.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
