Professor David Walton is an Emeritus Professor with the British Antarctic Survey, where he was a practicing scientist for 40 years. He began his research career as an ecologist with the British Antarctic Survey in 1967, later becomming more closely involved in Antarctic conservation and represented the scientific community at the annual Antarctic Treaty meetings for 14 years. Now in retirement he is researching the interaction between science and politics in the Antarctic for Cambridge University Press. David has written and edited six books on research in Antarcitca and is editor in chief of the journal Antarctic Science. In 2006 he was the recipient of the SCAR (Scientific Comminity of Antarctic Research) Medal for International Scientific Coordination.