Egyptian-born Robert Bauval began studying Egyptology in 1983. His first book, The Orion Mystery, was published in 1994, becoming a number-one bestseller translated into more than 25 languages. His research has been featured in documentaries throughout the world. He lives in Torremolinos, Spain. Thomas Brophy, Ph.D., is an astrophysicist who has worked with NASA, including as a member of the Voyager II spacecraft instrument teams. The author of several books, including The Origin Map, and numerous published articles in scientific journals, he lives in Encinitas, California.