Complex sentence: Kurt Busiek (born September 16,1960) is an American comic book writer known for his work on the "Marvels" limited series, his own title "Astro City", and his four-year run on "Avengers".
Split into simpler sentences: Kurt Busiek (born September 16,1960) is an American comic book writer known. His work include the "Marvels" limited series, his own title "Astro City", and a four-year run on "Avengers".