Nagler, Jorg

Andreas Guhr is the founder of the Mineralien-Zentrum in Hamburg, Germany. Jorg Nagler is a professor of history at the Friedrich Schiller University of Jena, Germany. Michael Gienger leads seminars and trains therapists at the Cairn Elen Lebensschulen in Germany. He is the author of "Crystal Healing, Crystal Power, "and "Healing Crystals."