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Canadians have made significant contributions to literature in English and in French. Novelists, poets, historians, educators and musicians have had a significant cultural impact. Men and women of letters included Stephen Leacock, Louis Hémon, Sir Charles G.D. Roberts, Pauline Johnson, Émile Nelligan, Robertson Davies, Margaret Laurence and Mordecai Richler. Musicians such as Sir Ernest MacMillan and Healey Willan won renown in Canada and abroad. Writers such as Joy Kogawa, Michael Ondaatje and Rohinton Mistry have diversified Canada’s literary experience.