In an edgy and funny manifesto, critic David Kipen contradicts the old film school theory - the auteur theory - that gives all the credit to the director. Instead, in honour of the mother tongue of America's first screenwriters', Kipen uses the Yiddish word for 'writer' to coin The Schreiber Theory, which decrees that knowing who wrote a movie is often a far better guide to knowing whether the movie will be any good or not.'