Complex sentence: Jim Hawthorne (1918-2007), often billed as "Hawthorne" or "Weather Eyes", was a radio disc jockey and comic actor who was a pioneer of "free form" radio.
Split into simpler sentences: Jim Hawthorne (1918-2007), often billed as "Hawthorne" or "Weather Eyes", was an American radio personality and comic actor. He was a disc jockey who was a pioneer of "free form" radio.