Screenwriter and Film Director. He started in film as assistant to Chilean director Patricio Guzmán. In 1972 he began writing and directing the feature documentary "Los Puños Frente al Cañón". In 1974 he went into exile in Mexico and settled in West Berlin, where he lived until 1995. There he spent most of his professional career, where, in addition to teaching, he wrote screenplays, specialized in film dramaturgy and made... see more