Regional advisory in psychiatry, Wales and Monmouthshire, 1948-1954. Consultant physician Maudsley and Bethlem Royal Hospitals, 1954-1966. Physician in charge department psychological medicine St. Bartholomew's Hospital, since 1959.
Professor psychiatry University London, 1966-1980, professor emeritus, since 1980.
Fellow British Medical Association, Royal College Psychiatrists (honorary), American Psychiatric Association (distinguished). Member Swedish Psychiatric Association, Venezuelan Society Psychiatry and Neurology, Institute Group Analysis, American College Psychiatrists, Pakistan Psychiatric Association, others. Club: Athenaeum.