R.C. Sproul (Drs, Free University of Amsterdam) is founder and chairman of Ligonier Ministries. He has written 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. He is also general editor of The Reformation Study Bible, which has been published with the New King James Version and the English Standard Version. 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 serves as senior minister of preaching and teaching at Saint Andrews Chapel, Sanford, Florida, and teaches on the national daily radio program Renewing Your Mind.