David Jackman (MA, Cambridge University) is a renowned Christian speaker and author. After fifteen years in pastoral ministry, he became the founder-director of the Cornhill Training Course in London, a ministry of the Proclamation Trust, of which he was later president. This ministry continues to encourage and equip Bible teachers around the world. R. Kent Hughes (DMin, Trinity Evangelical Divinity School) is senior pastor emeritus of College Church in Wheaton, Illinois, and former professor of practical theology at Westminster Theological Seminary in Philadelphia, Pennsylvania. Hughes is also a founder of the Charles Simeon Trust, which conducts expository preaching conferences throughout North America and worldwide. He serves as the series editor for the Preaching the Word commentary series and is the author or coauthor of many books. He and his wife, Barbara, live in Spokane, Washington, and have four children and an ever-increasing number of grandchildren.