R.C. Sproul (1939–2017) was the founder of Ligonier Ministries, general editor of the Reformation Study Bible, and executive editor of Tabletalk magazine. A prolific author, he wrote more than a hundred 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 first minister of preaching and teaching at Saint Andrew’s Chapel, Sanford, Florida, taught on the national daily radio program Renewing Your Mind, and was the first president of Reformation Bible College.