Donald P. Ryan, Ph.D. is an American archaeologist, Egyptologist, writer, and a member of the Division of Humanities at Pacific Lutheran University in Tacoma, Washington. His areas of research interest include Egyptian archaeology, archaeology of the Bible, Polynesian archaeology, and ancient languages and scripts. He is best known for his research in Egypt including excavations in the Valley of the Kings where he discovered lost tombs and controversial mummies. He is the veteren of many expeditions and is the author of numerous scientific and popular articles on archaeological subjects and six books.For several years, Ryan worked closely with the world-renowned Norwegian explorer, archaeologist, and writer, the late Thor Heyerdahl. Together they excavated the mysterious Pyramids of Guimar in Tenerife in the Canary Islands and Ryan will be completing Heyerdahl's last book about the ancient colonization of the islands of the South Pacific.Ryan is a Fellow of The Explorers Club and the Royal Geographical Society, a founding member of the Scientific Committee of the Foundation for Exploration and Research on Cultural Origins, a mountaineering instructor, long-distance runner, and pianist.