Dr. Wighard Strehlow is a noted scholar of Hildegard of Bingen who promotes her nutrition methods, medical treatments, and body-soul connection worldwide. Formerly a research chemist in the pharmaceutical industry, Dr. Strehlow directs and practices at the Hildegard Center in Allensbach on Lake Constance in southern Germany.
Dr. Gottfried Hertzka is a medical doctor in Germany, and author of the bestselling book on Hildegard medicine, So heilt Gott. He has worked clinically with Hildegard's theories for thirty years.