After earning a graduate degree at Oxford and attending Columbia Law School, where he was editor in chief of the law review, Kent Greenawalt served as law clerk to Justice Harlan and began teaching at Columbia Law School. With brief stints as a visitor at All Souls College, Oxford, and Deputy Solicitor General, he has been teaching at Columbia for 50 years. As a scholar he has written multiple articles and 15 books, the majority of which Oxford has published.