premise: Gordon Robert "Gordie" Tapp, CM, O.Ont (June 4, 1922 – December 18, 2016), born in London, Ontario, was a Canadian entertainer, best known as a radio and television presenter, comedian and a CBS broadcaster. He was introduced to U.S. President Gerald Ford as the world's funniest storyteller.
hypothesis: Gordon Tapp was well known in Canada.
reason: Description states he was a Canadian entertainer, therefore he must be well known.