David Tresemer, Ph.D., has a doctorate in psychology. In 1990, he cofounded the StarHouse in Boulder, Colorado, for community gatherings and workshops (www.TheStarHouse.org) and cofounded, with his wife Lila, the Healing Dreams Retreat Centre in Australia (www.healingdreams.com.au). He has also founded the Star Wisdom website (www.StarWisdom.org), which offers readings from the Oracle of the Solar Crosses, an oracle relating to the heavenly imprint received on one's day of birth. Dr. Tresemer has written in many areas, including The Scythe Book: Mowing Hay, Cutting Weeds, and Harvesting Small Grains with Hand Tools and a book on mythic theater, War in Heaven: Accessing Myth Through Drama. With his wife, he also coauthored several plays produced in the U.S., including My Magdalene (winner of Moondance 2004, Best Script). With William Bento and Robert Schiappacasse, he wrote Signs in the Heavens: A Message for Our Time, about the comets Hyakutake and Hale-Bopp and their crossing of the mysterious and ominous star Algol Robert Schiappacasse is President of Sunbridge College in Chestnut Ridge, New York, and former administrative director and a member of the board of trustees at the Shining Mountain Waldorf School in Boulder, Colorado. He teaches in the Waldorf School Administration and Community Development Program at Sunbridge College and at Rudolf Steiner College in Fair Oaks, California. Robert consults with Waldorf schools nationally on administration, organization, and governance. He became a member of the Anthroposophical Society in 1979 and joined the first class of the School of Spiritual Science in 1993. In 1977, Schiappacasse became a student of Willie Sucher, a pioneer of an anthroposophically based star wisdom, or astrosophy. He has participated in many conferences and workshops on the subject and lectures on a variety of anthroposophic topics, including festivals, cosmic Christianity, and humanity's relationship to the world of the stars. He is coauthor with David Tresemer and William Bento of the book Signs in the Heavens and with David Tresemer of an article, "The Chain Reaction Experiment."