David Letterman

This year, David Letterman marks his 21st year in late-night comedy and his 10th year as the host of the LATE SHOW with DAVID LETTERMAN on CBS. After nearly 4000 broadcasts, he remains one of the most influential personalities in the history of television. Other than Johnny Carson, who hosted "The Tonight Show" for 30 years, no late-night host comes near Letterman in longevity, critical praise and award recognition. Often imitated but never matched, Letterman presents, night after night, an unpredictable hour of innovative comedy.