Sperry, Roger W Famous for his split-brain research (1957 - 1975) winning Nobel Prize in Medicine in 1981. 20th August 1913 to 17th April 1994 'Before brains there was no colour or sound in the universe, nor was there any flavour or aroma and probably little sense and no feeling or emotion.' (1964) The following pictures can be enlarged and used on a whiteboard. However they cannot be copied, saved or printed. If you would like to use them in this way, please contact us and we would be happy to put you in touch with the copyright holder.