Which director, Piers Haggard or Penelope Spheeris, is best known as a documentary film director whose works include the trilogy titled "The Decline of Western Civilization"?
Piers Haggard: Piers Inigo Haggard OBE (born 18 March 1939) is a British theatre, film and television director, although he has worked mostly in the latter. Penelope Spheeris:  She is best known as a documentary film director whose works include the trilogy titled "The Decline of Western Civilization".
i don't know