According to the medical historian Professor Sonu Shamdasani, Sigmund Freud was not the best, nor actually the most interesting, psychoanalyst in early 20th-century Vienna.  Rather, Freud’s genius lay in creating a loyalty cult around himself, collecting a group of acolytes who would ensure his reputation.  This is worth bearing in mind when considering the life of his grandson, the painter Lucian Freud, who died in 2011.