Barbara Ann Brennan is a healer, therapist, and scientist who has devoted more than 20 years of research and exploration to the human energy field. Following an advanced degree in atmospheric physics from the University of Wisconsin, she worked as a research scientist at NASA's Goddard Space Flight Center. She trained in bioenergetic and core energetic therapy at the Institute for Psychophysical Synthesis and at the Community of the Whole Person in Washington, DC. She was in the first graduating class of Dr. John Pierrakos's Institute for the New Age, now known as the Institute of Core Energetics in New York City. Brennan is the author of Hands of Light, Light Emerging, and many more.