Complex sentence: Hilton A. Green (March 3,1929--October 2,2013) is an American film producer and assistant director best known for assistant directing the original "Psycho" (1960) and many episodes of "Alfred Hitchcock Presents".
Split into simpler sentences: Hilton A. Green (March 3,1929--October 2,2013) was an American film producer and assistant director. He was best known for assistant directing the original "Psycho" (1960) and many episodes of "Alfred Hitchcock Presents".