Posted on 1 November 2002
He shares this year's Nobel Prize in physiology or medicine, and will be collecting his award in Stockholm just a fortnight after giving the lecture.
Sir John was the first director of the Wellcome Trust's Sanger Institute which led the race to publish the human genome sequence - the map of human DNA - and believes strongly that the information should be available for all and not carved up for private profit.
The lecture 'The human genome project' is to be held at the University of York at 12.15pm in the University Physics building, Room PX001. Entrance is free and all are welcome.