National Museum of Nuclear Science & History
R. F. Kocher worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kathleen McClinton was a librarian at Oak Ridge, Tennessee. She was married to Manhattan Project scientist Leslie T.
Harrison Brown (1917-1986) was an American geochemist. He worked at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) and Oak Ridge sites during the Manhattan Project.
Harry S. Truman (1884-1972) was the 33rd President of the United States of America. Truman first learned of the Manhattan Project after the death of President Roosevelt in April of 1945, when he relinquished his role as Vice President and took the oath of office as the next president of the United States.
