Born on 21 December 1906 son of Ernest Thomas Williams, he was educated at Epsom College and St Mary's Hospital, where in 1928 in his final year he was Cheadle Gold Medallist in clinical medicine. After filling various junior appointments he became assistant to Dr Courtney Gage in the X-ray department in 1935, succeeding him as director in 1947. His other hospital appointments were to Queen Charlotte's Hospital and to the Willesden General Hospital 1932-46 and the Hampstead General 1939-48. At St Mary's he had been chairman of the Medical Staff Committee and for many years a member of the Board of Governors. In 1942 he received the Roentgen Award of the British Institute of Radiology, and in 1947 the Katherine Bishop Harman Award of the British Medical Association. At the time of his death he was President of the Faculty of Radiologists, of which he had been honorary secretary in 1949-54, Warden of Fellowships 1956-61, and in 1957 Robert Knox lecturer. At the College he was a Hunterian Professor in 1956 lecturing on "The Skull at Birth", and he was a co-opted member of the Council 1953-58. He was President of the British Institute of Radiology in 1944-45 and of the Section of Radiology at the Royal Society of Medicine in 1955-56. A consultant of the World Health Organisation to the Far East in 1952, he was visiting radiologist-in-chief at the Peter Bent Brigham Hospital, Boston in 1960, delivering the Merrill Sosman Memorial Lecture, and also in 1960 he was Baker Travelling Professor to Australia and New Zealand. In 1932 he married Barbara Joyce Symes and they had a son and a daughter. He died on 17 March 1963 aged 56 at his home in Totteridge, Hants. A memorial service was held in the chapel of St Mary's Hospital on 28 March at which the address was given by Sir Arthur Porritt PRCS.