National Museum of Nuclear Science & History
H. H. Maples worked for the Roane-Anderson Company.
N. N. Tracy worked for the J.A. Jones Construction Company.
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.
John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
