Complex sentence: He was the creator of "The Bob Newhart Show" which went on the air in 1972 and ran for six years; he also co-wrote the theme song to the show with his wife Henrietta.
Split into simpler sentences: He was the creator of "The Bob Newhart Show" which went on the air in 1972 and ran for six years. He also co-wrote the theme song to the show with his wife Henrietta.