National Museum of Nuclear Science & History
J. J. Daly worked for the Roane-Anderson Company.
Keith Klein has worked for the Atomic Energy Commission and the U.S. Department of Energy (DOE) since graduating college.
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.