John Byng-Hall is a Consultant Child and Family Psychiatrist at the Tavistock Clinic. He has published widely on topics such as family myths, legends, and scripts; attachments within the family; adolescence; and the impact of chronic illness within the family. He has also presented his ideas at international conferences. He was trained at Cambridge University, University College Hospital London, the Maudsley and Bethlem Royal Hospitals, and at the Tavistock Clinic. He is a past Chair of the Institute of Family Therapy, London.