National Museum of Nuclear Science & History
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. A. Yoakum worked for the United States Engineer District Office.
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.
