When I was writing about Sebald I rang him up. I rang up the university and said “Can I speak to professor Sebald?” I wanted to reproduce his photographs in the book I was writing, and also in an exhibtion. I wanted to put across their particular mood which I hadn’t really seen before. He explained that they were just sort of snappy snaps, and he would put them on the photocopier, these color prints, and photocopy and re-photocopy until they had that black, smudge-y, grainy look.…