HANS MÜLLER-WIEDEMANN, who died in 1997, was a medical doctor who also lived and worked for many years within the Camphill movement, which has many centres around the world for people with special ...ver maisHANS MÜLLER-WIEDEMANN, who died in 1997, was a medical doctor who also lived and worked for many years within the Camphill movement, which has many centres around the world for people with special needs.ver menos