Dr. Otto Wolff was born in 1921 in Glatz, Silesia (at the time, a region in northeast Germany). He studied biochemistry and medicine and first worked as a hospital physician, then as a general physician and school doctor. Later he worked many years in the pharmaceutical industry to develop new anthroposophic medicines. He wrote numerous publications on anthroposophic medicine, including the standard work: The Anthroposophic Approach to Medicine (three volumes). During his last twenty-five years, Dr. Wolff taught anthroposophic medicine to medical doctors worldwide. He died in Arlesheim, Switzerland, in 2003.