At home: biologist Lewis Wolpert on why happiness peaks at 74

23 July 2013

Eight years have passed since the developmental biologist Lewis Wolpert retired from his teaching post at University College London but, at the age of 83, he is emeritus professor of biology at UCL and vice-president of the British Humanist Association, writes books and, until a hip operation several months ago, regularly cycled, ran and played tennis. Read: Financial Times