“People in middle age now have a fair chance” - that’s what Dr Aubrey de Grey believes as he continues to work towards finding the cure to ageing. As the Editor-in-Chief of Rejuvenation Research, Fellow of both the Gerontological Society of America and the American Ageing Association, Dr de Grey is also perhaps the world’s foremost advocate of the provocative view that medical technology will one day allow humans to control the ageing process and live healthily into our hundreds - or even thousands. Gareth Cliff dives into his mind to find out more.