National Museum of Nuclear Science & History
Irwin Phillips worked for the United States Engineer District Office.
William “Bill” Harris Penny’s parents came to the United States from Newfoundland in 1910.
James C. Bloam served in the 1st Ordnance Squadron.
Caldwell worked in the United States Engineer District Office.
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.
