National Museum of Nuclear Science & History
E. B. Wentworth worked for the G.G. Ray Company.
Milton Burton was the Chief of Radiation Chemistry in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago and later at Oak Ridge during the Manhattan Project.
Robert Rumer worked for the United States Engineer District Office.
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.
