San Francisco-based documentarian Terry Zwigoff is best known for his 1994 film "Crumb", a frankly intimate portrait of the legendary underground artist Robert Crumb and his extended family. The film was not only hailed by critics and dissected by pundits and psychologists for exposing an intensely dysfunctional family unit, it also won virtually every major award for documentaries in 1995, including the Grand Jury Prize at the Sundance Film Festival as well as citations from the New York and Los Angles Film Critics and the Directors Guild of America. Its failure to earn an Oscar nomination