Robert David SackRobert David Sack is Clarence J. Glacken and John Bascom Professor of Geography and Integrated Liberal Studies at the University of Wisconsin-Madison. He is the author of Homo Geographicus: A Framework for Action, Awareness, and Moral Concrn and Place, Modernity, and the Consumer's World: A Relational Framework for Geographical Analysis, both available from Johns Hopkins. Read More Read Less