 These synthetic molecules can be used not only in medicine, but in creation of new materials.The discovery was made on 28 February 1953; the first Watson/Crick paper appeared in "Nature" on 25 April 1953.Sir Lawrence Bragg, the director of the Cavendish Laboratory, where Watson and Crick worked, gave a talk at Guy's Hospital Medical School in London on Thursday 14 May 1953 which resulted in an article by Ritchie Calder in the "News Chronicle" of London, on Friday 15 May 1953, entitled "Why You Are You.