Watson, James Dewey, 1928-, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research on the molecular structure of deoxyribonucleic acid (DNA) at the Cavendish Laboratory at Cambridge. Their findings, published in 1953,…