Richard J. Gibson (PhD, Macquarie University) is Principal of Brisbane School of Theology in Australia. He has had twenty years of experience of teaching Greek, New Testament, church history and preaching at Moore Theological College in Sydney, Australia. Constantine R. Campbell (PhD, Macquarie University) is professor of New Testament at Trinity Evangelical Divinity School in Deerfield, Illinois. He is the author of several books, including Advances in the Study of Greek, Basics of Verbal Aspect in Biblical Greek, Keep Your Greek, Paul and Union with Christ, Outreach and the Artist, and 1, 2 & 3 John in The Story of God Bible Commentary series. Con is a scholar, public speaker, musician, and author, and lives in Lake Zurich, IL with his wife and three children.