Nobel prize winner shaped medicine, crimefighting and genealogy, but later years marred by racist remarks Nobel prize winner shaped medicine, crimefighting and genealogy, but later years marred by racist remarks James Dewey Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died, according to his former research lab. He was 97. The breakthrough – made when the brash, Chicago-

Tag-uri: DNA