National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Lucian J. Dale 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.
James A. Beatty served in the 320th Troop Carrier Squadron.