Prasannan Parthasarathi received a PhD in economics from Harvard and is Professor of South Asian History at Boston College. He is the author of The Transition to a Colonial Economy: Weavers, Merchants and Kings in South India, 1720-1800 (Cambridge, 2001), The Spinning World: A Global History of Cotton Textiles (Oxford, 2009), and Why Europe Grew Rich and Asia Did Not: Global Economic Divergence 1600-1850 (Cambridge, 2011), which received the Jerry Bentley Book Prize of the World History Association and was named a Choicemagazine outstanding academic title. He is now working on a study of agriculture and the environment in nineteenth-century South India. His articles have appeared in Past and Present, the Journal of Social History, Modern Asian Studies, and International Labor and Working Class History. He is a Senior Editor of International Labor and Working Class History and served on the editorial board of the American Historical Review.