Annekatrin Puhle holds a PhD in Philosophy from the Free University Berlin with the subsidiary subjects Comparative Indo-European Languages and Cultural Anthropology. She is also a Health Consultant and is educated in various areas of natural medicine. As a researcher, she is specialised in current psychical research, including lucid dreaming, and cultural history. She has authored a number of books and journal articles, and has participated in both radio and television programmes. Her publications include Light Changes. Experiences in the Presence of Transforming Light (2013).Adrian Parker-Reed was awarded the first Psychology doctorate with a thesis on parapsychology from the University of Edinburgh. During the tenure of the Perrott-Warrick Studentship in Psychical Research at Trinity College, Cambridge University, he co-founded a technique known as the Ganzfeld for reproducing these experiences in the laboratory. Adrian is also a licenced clinical psychologist, having qualified from the Tavistock Clinic. He is Professor in Psychology at Gothenburg University, where his interests in psychic phenomena, hypnosis and dream states are supported. He is the author of the book States of Mind: ESP and Altered States of Consciousness.