National Museum of Nuclear Science & History
Richard Brown served in the 1st Ordnance Squadron.
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.
Richard Watts was a research assistant at the Chicago Met Lab and at Los Alamos during the Manhattan Project.