Christian Ratsch is a world-renowned anthropologist and ethnopharmacologist. A specialist in the cultural use of natural products, Ratsch has conducted fieldwork in many areas of the globe. He is the author of numerous books, three of which--"Gateway to Inner Space, The Dictionary of Sacred and Magical Plants," and "Plants of Love"--have been translated into English. He is currently serving as the president of the German Society for Ethnomedicine.