Alan G. Padgett (DPhil, Oxford University) is professor of systematic theology at Luther Seminary in St. Paul, Minnesota, where he serves as the chair of the history and theology division. His books include (volumes 2 and 3), and . Previously, he was professor of theology and the philosophy of science at Azusa Pacific University, and he is an ordained minister in the United Methodist Church.
Steve Wilkens (PhD, Fuller Theological Seminary) is professor of philosophy and ethics at Azusa Pacific University. His books include , , (volumes 2 and 3) and . He has also taught as an adjunct faculty member at Mount San Antonio College, Glendale Community College, Fuller Theological Seminary and Azusa Pacific University's C. P. Haggard Graduate School of Theology.