R.C. Sproul was an influential American theologian, pastor, and author, known for his work in the Reformed tradition of Christianity. He founded Ligonier Ministries in 1971, which focuses on teaching and disseminating Reformed theology through conferences, publications, and broadcasts. Sproul was also a professor at Reformation Bible College and wrote numerous books on theology, philosophy, and Christian living. Sproul was born on February 13, 1939, and passed away on December 14, 2017. He was a prominent speaker and educator, known for his ability to explain complex theological concepts in an accessible manner. His teachings emphasized the holiness of God and the importance of Scripture in the life of believers.