G.W.A. Milne was a Senior Researcher at the National Institutes of Health in Bethesda, MD, USA, where he worked on the use of spectroscopy for structure determination of organic compounds, and on molecular modeling in the design of drugs for the treatment of cancer and AIDS. He has been active for many years in the fields of chemical information and chemical computation and is Editor of the American Chemical Society's Journal of Chemical Information and Computer Science, Gardner's Chemical Synonyms and Trade Names, Eleventh Edition (Ashgate), and a host of other reference works. In 1999, jointly with Stephen Heller, Dr Milne was awarded the Skolnik Award of the Chemical Information Division of the American Chemical Society.