Sunil Kumar is professor of medieval history in the Department of History, Delhi University. His previous publications include The Present in Delhi's Pasts and The Emergence of the Delhi Sultanate.
David Harvey teaches at the Graduate Center of the City University of New York and is the author of many books, including Social Justice and the City, The Condition of Postmodernity, The Limits to
Kesavan Veluthat is Professor of History at the University of Delhi. His more important publications include The Political Structure of Early Medieval South India (1993), The Early Medieval in South I