National Museum of Nuclear Science & History
John Francis Moynahan was a Public Relations Officer for the Manhattan Engineering District, and later worked as an international public-relations consultant.
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.
Paul Tinsley worked for the H. K. Ferguson Company.
