National Museum of Nuclear Science & History
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.
H. Owen served in the 390th Air Service Group.
Grace Hulbert Wilson Groves is the wife of General Leslie R. Groves. The pair was married in 1922 and together they had two children, Richard and Gwen.
D. D. Carmichael served in the 390th Air Service Group.