Dennis Hopper | Dennis Quaid | Dennis the Menace | Dennis Rodman | Ferdinand von Mueller | Dennis Miller | Dennis Potter | Dennis Haysbert | Dennis the Menace (1959 TV series) | Dennis Kucinich | Dennis Morgan | Dennis Lillee | Dennis Dart | Dennis Prager | Dennis Oppenheim | Robert Mueller | Dennis Waterman | Dennis Green | Dennis Franchione | Dennis | Sandy Dennis | Hugh Dennis | Dennis Morgan (songwriter) | Dennis Lehane | Dennis Adams | Dennis Wilson | Dennis Wheatley | Dennis Tito | Dennis O'Keefe | Dennis Cooper |
He received his Ph.D. in Economics from the University of Maryland, studying under Professors Dennis Mueller and Mancur Olson.