The Unknown Known, is a 2013 American documentary film about the political career of former U.S. Secretary of Defense and congressman Donald Rumsfeld, an American retired politician and businessman, heserved as the 13th Secretary of Defense from 1975 to 1977 under which President?
Donald Rumsfeld Donald Henry "Don" Rumsfeld (born July 9, 1932) is an American retired politician and businessman. Rumsfeld served as the 13th Secretary of Defense from 1975 to 1977 under President Gerald Ford, and as the 21st Secretary of Defense from 2001 to 2006 under President George W. Bush. He is both the youngest and the second oldest person to have served as Secretary of Defense. Additionally, Rumsfeld was a three-term U.S. Congressman from Illinois (1963–1969), Director of the Office of Economic Opportunity (1969–1970), Counsellor to the President (1969–1973), the United States Permanent Representative to NATO (1973–1974), and White House Chief of Staff (1974–1975).
Reuben B. Robertson Jr. Reuben B. Robertson Jr. (June 27, 1908 – March 13, 1960) was an American businessman who served as United States Deputy Secretary of Defense from 1955 to 1957.