What can the rocks tell us about our planet’s distant past? Learn why this geology professor believes the Earth is young. Dr. John Whitmore was told long ago that the Earth was millions of years old. He no longer believes that, but what convinced him to change his mind? Learn more in What The Rocks Reveal – The Journey of a Geology Professor Video Dr. John Whitmore received his PhD in biology from Loma Linda University and teaches geology at Cedarville University. His publications include many GSA abstract, journal articles, book chapters and popular articles. He speaks internationally on the topics of creation, geology, and Noah’s flood and has led many research trips in the Grand Canyon.