"The wide-ranging and brilliant ideas of the French psychoanalyst Jacques Lacan have had a major influence on twentieth and twenty-first century thought. His 'followers' are loyal and legion. Yet his ideas are complex and were conveyed in a dense and abstract form. Lacan's detractors have accused him of obscurantism, pretentiousness and even incoherence. His psychoanalytic practice and his personal life were complicated too. He was famous and contentious...