Lane G. Tipton (PhD, Westminster Theological Seminary) is the Charles W. Krahe Associate Professor of Systematic Theology at Westminster Theological Seminary in Philadelphia. He is author of many articles, and the co-editor of Revelation and Reason: New Essays in Reformed Apologetics (P&R, 2007) and Resurrection and Eschatology: Theology in Service of the Church: Essays in Honor of Richard B. Gaffin, Jr. (P&R, 2008).