High Quality Content by WIKIPEDIA articles! Robert Charles Sproul, (born February 13, 1939, in Pittsburgh, Pennsylvania) is a prominent American Calvinist theologian, author, and pastor of the Reformed tradition. He is the founder and chairman of Ligonier Ministries (named after the Ligonier Valley just outside of Pittsburgh, where the ministry started as a study center for college and seminary students) and can be heard daily on the Renewing Your Mind radio broadcast in the United States and internationally. "Renewing Your Mind with Dr. R.C. Sproul" is also broadcast on Sirius and XM satellite radio.