Johnny Carson added a dash of class with his humor. His intelligence sparkled through his show.
In 2005, after Carson's death,
it was revealed that he had made a habit of sending jokes to Dave Letterman
which Letterman would then sometimes incorporate into his monologues.
The January 31, 2005, episode of the Late Show with David Letterman, which featured a tribute to Carson,
began with a monologue by Letterman composed entirely of jokes written by Carson himself after his retirement