Roger Gallop, Ph.D., is a professional geologist and marine scientist with over 35 years as a geotechnical and biological consultant. He has degrees in geology, oceanography, and science education, and is a student of Bible history. In addition, he was an officer in the U.S. Marine Corps and is a decorated Vietnam veteran. Roger Gallop is also author of the books, evolution – The Greatest Deception in Modern History (Scientific Evidence for Divine Creation) and World in Denial - Definant Nature of Mankind (Prophetic Evidence for a Divine Creator).