I've always thought that the stereotype of the dirty old man is really the creation of a dirty young man who wants the field to himself.

"50 selections from his ten-minute radio essays" 
Greater Phoenix: The Desert in Bloom.  
Hugh Downs ed. Scribner.

In addition he's served as announcer/sidekick for Tonight Starring Jack Paar host of the PBS talk show Over Easy and co-host of the syndicated talk show Not for Women Only. He is perhaps best known for his role as co-host of the NBC News program Today from 1962 to 1971 host of the Concentration game show from 1958 to 1969 and anchor of the ABC News magazine 20/20 from 1978 to 1999.