sentences:  During those years, he had occasionally taught courses at Harvard's Cambridge campus, and in 1967, after an interlude at Princeton's Institute for Advanced Study, he moved to Harvard permanently, accepting a position as the Arthur Kingsley Porter University Professor, which he held until his retirement in 1979.At Harvard Kitzinger supervised eighteen doctoral dissertations.Among his distinguished students over his years of teaching and mentoring are Hans Belting, Madeline Caviness, Joseph Connors, Anna Gonosova, Christine Kondoleon, Irving Lavin, Henry Maguire, John Mitchell, Lawrence Nees, Nancy Netzer, Natasha Staller, James Trilling, Rebecca Corrie, and William Tronzo.