Simon Szreter is Reader in History and Public Policy at the University of Cambridge, and a Fellow of St John's College, Cambridge. His previous publications include Fertility, Class and Gender in Britain 1860 1940 (Cambridge University Press, 1996) and Changing Family Size in England and Wales 1891 1911: Place, Class and Demography (co-editor, Cambridge University Press, 2001). In 2009 he was awarded the Viseltear Prize of the American Public Health Association for contributions to the history of public health. He is also a founding member of the History and Policy Network.