National Museum of Nuclear Science & History
R. B. Jacobs worked for the Kellex Corporation at the K-25 Plant.
Ellen Watts (1921-2008) was a technician in the Metal Production Group of the Chemistry Division at the Chicago Met Lab during the Manhattan Project.
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.