R. J. Berry was professor of genetics at University College London from 1974 to 2000. He is a distinguished ecologist, having served as president of the British Ecological Society and the European Ecological Federation, and he is the author of over 200 scientific papers. For many years, Berry has been involved in debates about the relationship of science and the Christian faith. He is a founding member of the International Society for Science and Religion, an ex-president of Christians in Science, and a Gifford Lecturer. He has also served on the Ethics Working Group of the International Union for the Conservation of Nature and represented the U.K. government at a G7 conference which led to the drawing up of a Code of Environmental Practice.