Henry Dinsdale undertook clinical and research training in neurology at the Maudsley Hospital and National Hospital, Queen Square, London and the Harvard Neurology Unit. He returned to Queen’s where he was chair of Neurology, Professor and Head of Medicine and Associate Dean for Research. Dr. Dinsdale’s main research interests and publications are in the area of stroke and the effects of high blood pressure on cerebral blood flow. Dr. Dinsdale was member of Council and Vice-president of the Medical Research Council, Past-President of the National Council on Ethics in Human Research and of the Royal College of Physicians and Surgeons of Canada, and a member of the Order of Canada.