Richard Carrier, Ph.D., is a philosopher and historian with degrees from Berkeley and Columbia, specializing in the contemporary philosophy of naturalism and Greco-Roman philosophy, science, and religion, including the origins of Christianity. He blogs and lectures worldwide, teaches monthly courses online through his website, and is the author of many books, including his defense of a naturalist worldview in Sense and Goodness without God, his academic case for the non-existence of Jesus in On the Historicity of Jesus, as well as his colloquial summary in Jesus from Outer Space, his work on historical methodology in Proving History, his study of ancient science in both Science Education and The Scientist in the Early Roman Empire, his responses to 21st century Christian apologetics in Why I Am Not a Christian and Not the Impossible Faith, and an anthology of his papers on the subject of history in Hitler Homer Bible Christ. He has also authored chapters in many other books, and articles in magazines and academic journals, and on his namesake blog, covering subjects from politics and history to philosophy and social justuce. For more about Dr. Carrier and his work see www.richardcarrier.info.