Charles T. Tart, Ph.D. is internationally known for his psychological work on the nature of consciousness, particularly on altered states of consciousness, and for his research in scientific parapsychology. He is one of the founders of the field of transpersonal psychology. Tart’s two classic books, Altered States of Consciousness (Doubleday 1972) and Transpersonal Psychologies (Harper Collins 1992), were instrumental in introducing these subjects to modern psychology. He is the author of many books including: Altered States of Consciousness (Doubleday 1972) , Waking Up: Overcoming the Obstacles to Human Potential(iUniverse 2001), and The Secret Science of the Soul: How Evidence of the Paranormal Is Bringing Science and Spirit Together (Fearless Books 2017)

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