Jacques Lacan was one of the most important psychoanalysts ever to have lived. Building upon the work of Sigmund Freud, he sought to refine Freudian insights with the use of linguistics, arguing that the structure of unconscious is like a language . Controversial throughout his lifetime both for adopting mathematical concepts in his psychoanalytic framework and for advocating therapy sessions of varying length, he is widely misunderstood and often unfairly dismissed as impenetrable. In this clear, wide-ranging primer, Lionel Bailly demonstrates how Lacan s ideas are still vitally relevant to...