Terje Tvedt is Professor of Geography at the University of Bergen and Professor of Political Science at the University of Oslo. He is the author of a number of successful books and films on water issues, including The River Nile in the Age of the British (I.B. Tauris, 2004) and The River Nile in the Post-Colonial Age (I.B. Tauris 2009). He is series editor for the first History of Water series (3 volumes, I.B. Tauris, 2006). Terje Oestigaard is Research Fellow at the Centre for Development Studies at the University of Bergen. He has undertaken fieldwork in Bangladesh, Greece, Jordan, India, Nepal and Palestine and is the author of a number of books including (as co-editor) The Materiality of Death. Bodies, Burials, Beliefs (2008) and The World of Water (I.B. Tauris, 2006).