Sir John Alexander Macdonald was the dominant creative mind which produced the British North America Act and the union of provinces which became Canada. As the first prime minister of Canada, he oversaw the expansion of the Dominion from sea to sea. His government dominated politics for a half century and set policy goals for future generations of political leaders.
Leonard Austin Braithwaite, CM, OOnt, QC, lawyer, politician (born 23 October 1923 in Toronto, ON; died 28 March 2012 in Toronto). Braithwaite was the first Black Canadian elected to a provincial legislature. He served as a Liberal member of the Ontario Legislature from 1963 to 1975.
Becoming its leader 2 years later, he improved its position in the next 2 elections and became premier in 1956, the first of his party since Confederation to do so under noncrisis conditions. In the 3 subsequent elections, he became the undisputed political master of the province.