 He was the star of the Bob Newhart Show from 1972 to 1978 and then Newhart from 1982 to 1990. He also appeared on shows like Desperate Housewives, The Big Bang Theory, ER, Hot in Cleveland. Bob was best friends with Don Rickles, whose comedy style could not have been more different from his. Judge Apatow made a documentary about their friendship that you really, really should watch.