John Agnew is Professor of Geography at UCLA. His books include "Human Geography" (Blackwell, 1996), "The United States in the World Economy," and "The Geography of the World Economy,"
Katharyne Mitchell is Associate Professor at the University of Washington.
Gerard Toal (Gearoid O Tuathail) is Professor of Geography at Virginia Tech in Northern Virginia. His books include "Critical Geopolitics "and" The Geopolitics Reader."