Herzog was once hailed by Francois Truffaut as the most important director alive. Famous for his frequent collaborations with mercurial actor Klaus Kinski - including the epics Aguirre, the Wrath of God and Fitzcarraldo, and the terrifying Nosferatu - and more recently with documentaries such as Grizzly Man, Cave of Forgotten Dreams and Into the Abyss, Herzog has built a body of work that is one of the most vital in post-war German cinema. Here, he reflects on his legendary and inspiring career.