National Museum of Nuclear Science & History
Kenneth O. Roebuck served in the First Ordnance Squadron.
Ralph Gates (1925-2018) was a chemical and electrical engineer who was recruited to the Manhattan Project as a part of the Special Engineer Detachment in early 1945.
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.
