Premise: Biskind's book, accordingly, concludes with a litany of spectacular  Coppola's Apocalypse Now and One From the Heart, Spielberg's 1941 , William Friedkin's Sorcerer, and, of course, Michael Cimino's Heaven's Gate . According to Mardik Martin, Scorsese's erstwhile writing partner (as quoted by Biskind): The auteur theory killed all these people.

Hypothesis: Biskind stated that Mardik Martin had been William Friedkin's former writing partner.
Relation: entailment