National Museum of Nuclear Science & History
Mumford worked in the 200 East Area at Hanford during the Manhattan Project.
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.
J. R. Henson worked for Clinton Laboratories at the X-10 Reactor.
Frank V. Kowalski served in the 1027th Air Material Squadron.
