Singer Slim Whitman has died at the age of 89. If you were alive in the late 1970s-early 1980’s you would know who Slim Whitman was. They were constantly playing a commercial back then for his buy through television only album “All My Best.” Slim Whitman had some hits in the 1950’s and 1960’s. He influenced a number of other artists including Beatle George Harrison. He was bigger in Europe and especially in Britain than he was in America.