Johnny Carson's farewell to The Tonight Show was an emotional moment that still sticks with viewers, over three decades later. The moment was a year in the making, with Carson announcing his departure ...

As Letterman put it, Carson saw little reason to worry about his employee's emerging program.

Shown the ropes by Woody Allen, he helmed lots of other sitcoms like 'Rhoda,' 'Laverne & Shirley' and 'Everybody Loves ...