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).
Alexander Butterfield Alexander Porter Butterfield (born April 6, 1926) is a retired U.S. military officer, public servant, and businessman. He served as the deputy assistant to President Richard Nixon from 1969 to 1973. He revealed the existence of the White House taping system on July 13, 1973, during the Watergate scandal investigation, but had no involvement in the scandal. From 1973 to 1975, he served as administrator of the Federal Aviation Administration.