William Hasker (PhD, University of Edinburgh) is professor emeritus of philosophy at Huntington College in Huntington, Indiana. His books include Metaphysics: Constructing a World View; God, Time, and Knowledge; Reason and Religious Belief (with Michael Peterson, David Basinger and Bruce Reichenbach); The Openness of God (with Clark Pinnock, Richard Rice, John Sanders and David Basinger); Philosophy of Religion: Selected Readings (edited with Michael Peterson, David Basinger and Bruce Reichenbach); The Emergent Self; Middle Knowledge: Theory and Applications (edited with David Basinger and Eef Dekker); and Providence, Evil and the Openness of God.