Mark Tushnet is the William Nelson Cromwell Professor of Law emeritus at Harvard Law School. After graduating from Harvard College and Yale Law School, he served as law clerk to Supreme Court Justice Thurgood Marshall. He has written widely on constitutional theory, comparative constitutional law, and US legal and constitutional history. His book The NAACP's Legal Strategy Against Segregated Education (1987) won the Littleton Griswold Prize awarded by the American Historical Association.