David M. Wilkinson is Visiting Professor in Ecology, University of Lincoln, UK and Honorary Research Fellow, Department of Classics and Archaeology, University of Nottingham, UK. He has wide interests within the environmental and biological sciences, where much of his research is on theoretical topics within evolutionary ecology, biogeography, and earth systems science. In addition he is involved in more empirical research on soil protozoa, environmental archaeology, and the history of science. His teaching covers a diverse range of topics from the history of geology to forensic archaeology, but is focused on various aspects of ecology.