Theodore Epp (January 27, 1907 – October 13, 1985) was an American Christian missionary, radio preacher, and author, best known for founding and leading the Back to the Bible Broadcast. Born in Nebraska, he grew up in a devout Christian family. Epp used radio to teach biblical principles globally, reaching hundreds of countries. He wrote numerous devotional books emphasizing biblical authority and personal faith. His straightforward yet profound preaching style helped listeners understand and apply Scripture. His ministry continues to impact audiences worldwide.