Lester Bowles Pearson was a Canadian politician, diplomat, and scholar who served as the 14th prime minister of Canada 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. Born: April 23, 1897 Died: December 27, 1972 In office: April 22, 1963 – April 20, 1968 Wiki link