Alvin Carl Plantinga (born November 15, 1932) is an Americananalytic philosopher, the emeritus John A. O'Brien Professor of Philosophy at the University of Notre Dame and the inaugural holder of the Jellema Chair in Philosophy at Calvin College. He is known for his work in philosophy of religion, epistemology, metaphysics and Christian apologetics. Plantinga is the author of a number of books including, God and Other Minds (1967), The Nature of Necessity (1974), and the "warrant" series culminating in Warranted Christian Belief (2000). He has delivered the Gifford Lectures three times, and was described by Time magazine as "America's leading orthodox Protestant philosopher of God."
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Peter van Inwagen (born September 21, 1942, United States) is an American analytic philosopher and the John Cardinal O'Hara Professor of Philosophy at the University of Notre Dame. He previously taught at Syracuse University and earned his PhD from the University of Rochester under the direction of Richard Taylor and Keith Lehrer. Van Inwagen is one of the leading figures in contemporary metaphysics, philosophy of religion, and philosophy of action.
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