Geoff Andrew, the BFI's programmer-at-large, and film critic Muriel Zagha sit down with EI's Deputy Editor Alastair Benn to discuss the varied, visionary and eccentric creations of the German filmmaker Werner Herzog. Credits: The audio clips at 0:07 and 4:13 are taken from Werner Herzog: Radical Dreamer, directed by Thomas von Steinaecker. The film was released on BFI Player and BFI Blu-ray on 19 February. Courtesy of BFI Distribution. The audio clip at 53:30 is an excerpt from The Enigma of Kaspar Hauser. It is currently on release in selected cinemas via the BFI. It aired at 27 Picturehouse sites on Friday 1 March. Courtesy of BFI Distribution. Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit. Worldview is produced by Alastair Benn and Marie Jessel. The sound engineer is Gareth Jones. Image: Werner Herzog on the set of Fitzcarraldo, 1982. Credit: Collection Christophel / Alamy Stock Photo