Thomas H. McCall (PhD, Calvin Theological Seminary) is professor of theology and scholar-in-residence Asbury University. He previously taught at Trinity Evangelical Divinity School and is the director of the Carl F. H. Henry Center for Theological Understanding. He is also professorial fellow in analytic and exegetical theology at the University of St. Andrews. He is the author or coauthor of several books, including many on the Trinity. John S. Feinberg (PhD, University of Chicago) is department chair and professor of biblical and systematic theology at Trinity Evangelical Divinity School. He is the author of Ethics for a Brave New World (with Paul D. Feinberg) and is general editor of Crossway's Foundations of Evangelical Theology series.