James Watson, Nobel Prize-winning biologist who discovered the structure of DNA with Francis Crick, has died. He chronicled the search for ‘the secret of life’ in his bestseller The Double Helix but damaged his career with his scathing judgments of colleagues and comments about race and genetics. Born 6 April 1928 1.23 am Chicago, Illinois, he was unpopular at school because of his fondness for speaking his mind and his precocious intellect. He entered Chicago University