LUEDER JACHENS, MD, born in Bremen in 1951, participated in anthroposophical medical student groups whilst studying medicine in Goettingen and Kiel. He specialized in dermatology and allergology, then worked in medical departments at an anthroposophical hospital. He has worked in private practice as a skin specialist in Stiefenhofen/Allgaeu, Germany, from 1992, and developed the Christophorus Medical Centre in Stiefenhofen.