Rosine Jozef Perelberg is a Training Analyst and Supervisor, Fellow of the British Psycho-analytical Society and had obtained a Ph.D. in Social Anthropology at the London School of Economics. She is Honorary Senior Lecturer in Psychoanalytic Theory at University College, London, where she is coordinator of the Freud Seminars and of the seminars on Sexuality. She is currently preparing a volume on Freud's work  Freud: The Dynamics of the Unconscious , and a book entitled Time and Space in Psychoanalysis.