Robert Charles Sproul ( SPROHL; February 13, 1939 – December 14, 2017) was an American theologian, author, and ordained pastor in the Presbyterian Church in America. He was the founder and chairman of Ligonier Ministries (named after the Ligonier Valley just outside Pittsburgh, where the ministry started as a study center for college and seminary students) and could be heard daily on the Renewing Your Mind radio broadcast in the United States and internationally.
