Roger E. Olson is professor emeritus of theology and ethics at Baylor University's George W. Truett Theological Seminary. Among his many other books are The Story of Christian Theology: Twenty Centuries of Tradition and Reform and The Mosaic of Christian Belief: Twenty Centuries of Unity and Diversity.
Christian T. Collins Winn is adjunct professor of religion at Augsburg University and teaching minister and theologian in residence at Meetinghouse Church in Minnesota. He previously served as professor of historical and systematic theology at Bethel University from 2005 to 2018. He is happily married to his wife, Julie, and they have two wonderful sons, Jonah and Elijah.
