National Museum of Nuclear Science & History
Arnold graduated from Northwestern University in 1941 with a B.S. degree in Biology and a minor in Chemistry.
Lauchlin M. Currie was born in 1897. Currie was a chemical engineer who worked in barrier production at the Houdaille-Hershey plant in Decatur, IL.
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.