Joseph Philippe Pierre Yves Elliott Trudeau was a Canadian politician, statesman, and lawyer who served as the 15th prime minister of Canada from 1968 to 1979 and again from 1980 to 1984. Between his non-consecutive terms as prime minister, he served as the leader of the Official Opposition from 1979 to 1980.
The prime minister of Canada is the head of government of Canada. Under the Westminster system, the prime minister governs with the confidence of a majority of the elected House of Commons; as such, the prime minister typically sits as a member of Parliament (MP) and leads the largest party or a coalition of parties. As first minister, the prime minister selects ministers to form the Cabinet.
Lester Bowles Pearson was the 14th prime minister of Canada, serving from 1963 to 1968. He also served as leader of the Liberal party from 1958 to 1968 and as leader of the Official Opposition from 1958 to 1963.