Alan Morton Dershowitz is an American lawyer and author. He is a scholar of United States constitutional law and criminal law, and a leading defender of civil liberties. He spent most of his career at Harvard Law School where in 1967, at the age of 28, he became the youngest full professor of law in its history.
He held the Felix Frankfurter professorship there from 1993 until his retirement in December 2013. He is now a regular CNN and Fox News contributor and political analyst.