Peter-Hansen Volkmann originates from an old farmer family in Frisiae in Germany. His ancestry treated since about 500 years beside of their animals with chiropractic or osteopathy also men. He studied medicine in CAU Kiel and founded his medical practice at Luebeck in 1989. During the 90-ies he developed the hoT – hypoallergenic orthomolecular therapy and founded in 1998 hypo-A GmbH for the production of pure, really clean vitamin, trace elements etc. He is an international author and congress speaker in Europe, USA and Arabia and publishes 3 books and a lot of holistic papers international.