sentences:  Gibson left the federal government in 1947 for a teaching position at Carleton College (later Carleton University) in Ottawa.He spent 12 years as the school's dean of arts and science, and served for a year as interim president after the death of president Murdoch Maxwell MacOdrum in 1955.Gibson was appointed as the founding president of Brock University in 1963, and held that office for 11 years before his retirement.