Biographical note

Roger Ariew is professor of philosophy at University of South Florida. He is the author of Descartes and the Last Scholastics. Dennis Des Chene is associate professor of philosophy at Washington University, Saint Louis. He is the author of Spirits and Clocks: Machine and Organism in Descartes. Douglas M. Jesseph is professor of philosophy at at the University of South Florida. He is the author of Squaring the Circle: The War between Hobbes and Wallis. Tad M. Schmaltz is associate professor of philosophy at Duke University. He is the author of Malebranche's Theory of the Soul: A Cartesian Interpretation. Theo Verbeek is professor of philosophy at the University of Utrecht. He is the author of La querelle d'Utrecht, Descartes and the Dutch: Early Reactions to Cartesianism (1637-1650).