Lee Herbert Hamilton (born April 20, 1931) is an American politician and lawyer from Indiana. He is a former member of the United States House of Representatives and a former member of the U.S. Homeland Security Advisory Council. A member of the Democratic Party, Hamilton represented the 9th congressional district of Indiana from 1965 to 1999. Following his departure from Congress, he has served on a number of governmental advisory boards, most notably as the vice chairman of the 9/11 Commission. Source: Wikipedia (en)