Former clinical director of radiology King's College Hospital (b 1921; q Cambridge/Sheffield 1944; FRCP, FRCR; CBE), died from cancer on 20 March 1999. He was an outstanding radiologist, combining the qualities of a superb clinician with those of a meticulous scientist. At the Royal Postgraduate Hospital at Hammersmith he developed his clinical work, teaching and research, mainly in gastroenterology and lung disease. In 1967 he was appointed clinical director at King's where he rebuilt the x ray department and made it a centre of clinical activity. He developed a deep knowledge and interest in technology and was fascinated by the rapidly changing scene in radiology. The high standards which he set for himself and also expected from those working alongside him resulted in the department at King's becoming one of the best teaching centres for radiology in the United Kingdom. The close links which John established overseas still flourish and are at tribute to his international reputation. He was visiting professor and lecturer at many academic institutions and congresses outside Britain. He published …