From the 2010 Alumni Weekend. Conrad Keating, biographer of Richard Doll, gives a talk on the difficulty scientists have at getting people to believe their results, as Richard Doll had when he published his findings on the dangers of smoking. Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales; http://creativecommons.org/licenses/by-nc-sa/2.0/uk/