Complex sentence: Seymour Martin Lipset (March 18,1922--December 31,2006) was an American political sociologist, senior fellow at the Hoover Institution, and the Hazel Professor of Public Policy at George Mason University.
Split into simpler sentences: Seymour Martin Lipset (March 18,1922--December 31,2006) was an American political sociologist. Seymour Lipset was a senior fellow at the Hoover Institution and the Hazel Professor of Public Policy at George Mason University.