Donald A. Crosby is Professor Emeritus of Philosophy at Colorado State University and the author of many books, including More Than Discourse: Symbolic Expressions of Naturalistic Faith; Nature as Sacred Ground: A Metaphysics for Religious Naturalism; and The Extraordinary in the Ordinary: Seven Types of Everyday Miracle, all published by SUNY Press.

Argues that a pluralistic understanding of truth can foster productive conversations about common concerns involving religion, science, ethics, politics, economics, and ecology without falling into relativism.