John Kellerpresents a set of new essays on ontology, time, freedom, God, and philosophical method. Our understanding of these subjects has been greatly advanced, since the 1970s, by the work ofPeter van Inwagen. In this volume leading philosophers engage with his work, and van Inwagen himself offers selective responses.This collection of essays focuses on problems and themes from the philosophy of Peter van Inwagen, whose work has shaped the landscape in the philosophy of action, metaphysics, the philosophy of religion, and the philosophy of philosophy over the last 50 years.The essays offer new insights and arguments about these topics from some of the most prominent living philosophers. The volume also contains seven response essays by van Inwagen himself, and a meta-philosophical introduction by the editor.Topics covered include relational vs constituent ontologies, time travel, free will and moral responsibility, philosophical success and failure, the nature of nonsense, the compatibility of theism and evolution, the problem of evil, vagueness and morality, the ontological argument, and the doctrine of the atonement.Introduction,John A. KellerBeing1. Theories of Character,Michael Loux2. A One Category Ontology,L. A. Paul3. Properties as Parts of Ordinary Objects,Eric T. Olson4. Time Travel and the Movable Present,Sara BernsteinFreedom5. The Degree Argument and the Influence Strategy,Mark Heller6. Revisiting the Mind Argument,Alicia Finch7. Symposium on the Fixity of the Past,Neal A. Tognazzini and John Martin Fischer; Wesley H. HollidayGod8. Defenseless: A Critique of Van Inwagen s Response to the Argument from Evil,Louise Antony9. The Problem of Evil and Atonement,Eleonore Stump10. Swing Vote,Frances Howard-Snyder11. Theism and Allism,Alex Rosenberg12. The Evolutionary Argument for Athl3B