Tim Dyson is Professor of Population Studies in the Department of International Development at LSE. He has worked a lot on the demography of India. In 2001 he was elected a Fellow of the British Academy, and in 2015 he gave the keynote address on the first day of the forty-eighth session of the United Nations Commission on Population and Development in New York. His main areas of research have included work on demographic time series, interactions between populations and their food supplies, famine demography, HIV/AIDS, urbanization, child mortality trends, climate change, democratization, and the past, present and future population of the Indian subcontinent. His latest book is Population and Development—the Demographic Transition, published by Zed in 2010. His latest article is ‘On Demographic and Democratic Transitions’, Population and Development Review 38 (Supp.): 83-102.