B. ALAN WALLACE, Ph.D., a scholar and practitioner of Buddhism since 1970, has taught Buddhist theory and meditation throughout Europe and North and South America since 1976. He devoted fourteen years to training as a Tibetan Buddhist monk and was ordained by the Dalai Lama. Wallace also earned an undergraduate degree in physics and the philosophy of science at Amherst College and a doctorate in religious studies at Stanford. He lives in Santa Barbara, where he founded the Santa Barbara Institute for Consciousness Studies.