R.C. Sproul (Drs, Free University of Amsterdam) was the founder of Ligonier Ministries and general editor of The Reformation Study Bible. A prolific author, he wrote more than sixty books, including The Holiness of God, Faith Alone, Scripture Alone, Chosen by God, What Is Reformed Theology?, The Glory of Christ, The Mystery of the Holy Spirit, and Getting the Gospel Right. Dr. Sproul was professor of systematic theology and apologetics at Knox Theological Seminary in Fort Lauderdale until 2004 and, before that, taught at Reformed Theological Seminary. He served as senior minister of preaching and teaching at Saint Andrews Chapel, Sanford, Florida, and taught on the national daily radio program Renewing Your Mind.