Dr. Terry Mortenson earned an MDiv (Trinity Evangelical Divinity School) and a PhD in history of geology (Coventry University) and has lectured on the creation-evolution controversy in 25 countries since the late 1970s. Before joining AiG, he served for 26 years in university campus ministry in the US and Eastern Europe with Campus Crusade for Christ and has written many articles and books, including The Great Turning Point and Coming to Grips with Genesis.