Jonathan C. K. Wells is Professor of Anthropology and Paediatric Nutrition at the Institute of Child Health, University College London, and a leading international researcher in the field of paediatric nutrition. His empirical research focuses on human growth, body composition and metabolism, and is complemented by the development of evolutionary perspectives on these topics. He has contributed extensively to the scientific literature and is the author of The Evolutionary Biology of Human Body Fatness: Thrift and Control (Cambridge, 2010).