 He then became the first professor of Psychoanalytic Studies and of Psychoanalytic Psychotherapy, posts he held at the Centre for Psychotherapeutic Studies at the University of Sheffield Medical School until his retirement, after which he has worked in private practice in London.He is a retired registrant of the British Psychoanalytic Council.The unifying thread in his research, political activities, writing and clinical practice has been the understanding of human nature and the alleviation of suffering and inequality.