National Museum of Nuclear Science & History
Jas Huff worked for the United States Engineer District Office.
Leonard Switalski served in the First Ordnance Squadron.
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 Hinch was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
