National Museum of Nuclear Science & History
Maurice C. Cangilla served in the 1st Ordnance Squadron.
W. W. Johnson worked for the Kellex Corporation at the K-25 Plant.
Edgar Francis Westrum (1919-2014) was an American chemist. Westrum was born in Albert Lea, Minnesota.
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.