To the renowned psychoanalyst, philosopher, and linguist Julia Kristeva, Melanie Klein (1882-1960) was the most original innovator, male or female, in the psychoanalytic arena. Klein pioneered psychoanalytic practice with children and made major contributions to our understanding of both psychosis and autism. Along the way, she successfully introduced a new approach to the theory of the unconscious without abandoning the principles set forth by Freud...