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Bob Newhart was awarded the Mark Twain Prize for American Humor in 2002. The prize is given to individuals who have made outstanding contributions to American humor. Newhart is best known for his work in television, including the sitcoms "The Bob Newhart Show" and "Newhart." He has also had a successful career in stand-up comedy. The Mark Twain Prize is given by the Kennedy Center for the Performing Arts.