The artist stripped bare by himself: Lucian Freud's self-portraits redefine the genre In 1964 Lucian Freud set his students at the Norwich College of Art an assignment: to paint naked self-portraits and to make them "revealing, telling, believable ... really shameless." It was advice that the artist was often to follow himself. Visceral, unflinching and often nude, Freud's self-portraits chart his biography and give us an...