John Kenneth Galbraith (Class of 1931) - Economist, served as a professor at Harvard University, and was a key advisor to several U.S. Presidents.
Alice Munro (Class of 1951) - Nobel Prize in Literature laureate, renowned for her short stories.
Robert Mundell (Class of 1953) - Nobel Memorial Prize in Economic Sciences laureate, known for his work on monetary dynamics and optimum currency areas.
James Orbinski (Class of 1980) - Physician and humanitarian, former international president of Médecins Sans Frontières, and recipient of the Nobel Peace Prize on behalf of the organization.