Giorgio Riello is Professor of Global History and Culture at the University of Warwick, UK. He has authored or edited several books on the history of early modern Europe and Asia, including The Spinning World (2009); How India Clothed the World (with T. Roy, 2009); Writing Material Culture History (2014); and Cotton: The Fabric that Made the Modern World (2013).Tirthankar Roy is Professor of Economic History at the London School of Economics, UK. He has published extensively on the economic history of modern South Asia, and is the author of India in the World Economy from Antiquity to the Present (2012); The Economic History of India 1857-1947 (2012); and An Economic History of Early Modern India (2013).