Cognitive analytic therapy (CAT) is growing rapidly in the extent of its application in clinical situations and in the development of new theoretical ideas and therapeutic methods. Using case histories and accounts of the application of CAT to particular patient groups, this study also describes the application of CAT's basic approach, devised for individual therapy, to couples and groups.
He studied at Oxford and University College Hospital, qualified in medicine in 1949. He worked as a General Practitioner in North London, then directed the University of Sussex Health service, and later worked as a Consultant Psychotherapist in St. Thomas' Hospital, London, from 1983 to 1992.
While in general practice he realised that a lot of his patients were presenting with psychological problems or distress, which he confirmed by epidemiological studies. He developed interest in psychotherapy and later developed a time limited therapy which can be offered in the UK's National Health Service. This type of therapy is known as cognitive analytic therapy.