“His muse was Hanna Schygulla, who brought her enigmatic, haughty allure to 23 of his film and television works. Now 74, with a wild mane of grey hair, she has collaborated with directors such as Godard, Béla Tarr and Carlos Saura … But she only ever gets asked about one person. Seated in the window of an empty restaurant in west Berlin, she tells me: ‘It’s because I’m one of the survivors.'”