National Museum of Nuclear Science & History
Sara Sackron worked for the United States Engineer District Office.
P. F. Finck worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
John Arthur "Jack" Robinson was a machinist and instrument maker at the Clinton Engineering Works in Oak Ridge, Tennesse in 1943.
