Pearson,
Lester Bowles 1897-1972; Cdn. statesman: prime minister (1963-68)
See Pearson in American Heritage Dictionary 4
(pîrˈsən), Lester Bowles 1897-1972.
Canadian politician who served as prime minister (1963-1968). He won the 1957 Nobel Peace Prize for his role in the negotiation of a solution to the Suez crisis (1956).