Donald A. Crosby, Ph.D. Columbia University, is Professor of Philosophy Emeritus of Colorado State University, where he taught for thirty-six years. His current main research interests are in the areas of religious naturalism, metaphysics, American philosophy, philosophy of mind, and philosophy of religion. Crosby’s latest published books are Consciousness and Freedom: The Inseparability of Thinking and Doing (Lexington Books, 2017); Faith and Freedom: Contexts, Choices, and Crises in Religious Commitments (Routledge 2018); and Partial Truths and Our Common Future (SUNY 2018). He is also co-editor (with Jerome A. Stone) of The Routledge Handbook of Religious Naturalism (Routledge, 2018). He has recently completed a book manuscript entitled Primordial Time: Its Irreducible Reality, Human Significance, and Ecological Import.