Thomas H. McCall (PhD, Calvin Seminary) is professor of biblical and systematic theology and director of the Carl F. H. Henry Center for Theological Understanding at Trinity Evangelical Divinity School in Deerfield, Illinois. He is the author of Which Trinity? Whose Monotheism? Philosophical and Systematic Theologians on the Metaphysics of Trinitarian Theology, Forsaken: The Trinity and the Cross, and Why It Matters and coeditor (with Michael C. Rea) of Philosophical and Theological Essays on the Trinity.