David A Pietz Author & Editor

David A. Pietz is Professor of History and the UNESCO Chair of Environmental History at the University of Arizona, USA.  His publications include The Yellow River: The Problem of Water in Modern China, and Engineering the State: The Huai River and Reconstruction in Nationalist China, 1927-1937.
Dorothy Zeisler-Vralsted is Professor Emeritus at Eastern Washington University, USA. Her publications include Rivers, Memory and Nation- Building: A History of the Volga and Mississippi Rivers.