With the central Christian doctrine of penal substitution increasingly under attack, these authors articulate a series of responses to specific theological and cultural criticisms.
Steve Jeffery is a minister at Emmanuel Evangelical Church in Southgate, London. He has a MS and PhD in experimental physics from Oxford University.
Michael Ovey (1058–2017) was principal of Oak Hill Theological College for ten years. He received a PhD in Trinitarian theology from King’s College, London.
Andrew Sach is on the leadership team at St. Helen's Bishopsgate. He was previously a scientist before training at Oak Hill Theological College.
John Piper (DTheol, University of Munich) is the founder and teacher of desiringGod.org and the chancellor of Bethlehem College & Seminary. He served for thirty-three years as the senior pastor of Bethlehem Baptist Church in Minneapolis, Minnesota, and is the author of more than fifty books, including Desiring God; Don’t Waste Your Life; This Momentary Marriage; A Peculiar Glory; and Reading the Bible Supernaturally.