RC Sproul (American Reformed theologian, Christian Apologist, and Pastor)

Robert Charles Sproul (February 13, 1939 – December 14, 2017) was an American Reformed theologian, Christian apologist, and ordained pastor in the Presbyterian Church in America. He was the founder and chairman of Ligonier Ministries,[b] and could be heard daily on the Renewing Your Mind radio broadcast in the United States and internationally.