Peter Watson joined the Carleton University Department of Physics in 1974 and was promoted to full professor in 1984. He became chair of the department in 1990 and dean of Science in 1997. His research career has mostly been in theoretical physics, with over 50 published papers, and he worked on the Sudbury Neutrino Observatory. He also worked at Ahmadu Bello University, in Nigeria, and spent sabbaticals working at Villigen, in Switzerland, at the University of Edinburgh and C.E.R.N. in Geneva and the University of Oxford. He retired in June 2008 but continues to teach and research.