Terence Palmer, PhD, is author of The Science of Spirit Possession. He is a member of the Society for Psychical Research as well as the Scientific and Medical Network. He is also a fellow of the Royal Society of Medicine.

Nanci Trivellato is cofounder, with Wagner Alegretti, of the International Academy of Consciousness. She is author of Vibrational State and Energy Resonance: Self-Tuning to a Higher Level of Consciousness as well as Astral Projection, a Primer: Introduction to Out-of-Body Experience. Her website is https://www.nancitrivellato.com/