President, Ontario Agricultural College, Guelph

Professor of Biochemistry, University of Toronto

Professor of Geology, University of Toronto

President, Saskatchewan Wheat Pool and President, Canadian Co-operative Wheat Producers, Limited

Minister of Mines, Province of Ontario

Executive Assistant to Dr. Jewett, of the Department of Development and Research, American Telephone and Telegraph Company, New York

Well known in scientific circles everywhere for his early achievements in the study of radio activity, and his later work in the treatment of helium gas

Prime Minister of Ontario, 1919-1923

Premier of Alberta

Chairman, Civil Service Commission, Ottawa