Ceremony in the Duderstadt city hall on January 13 For Otto Bock HealthCare, a ceremony in the historical Duderstadt city hall will kick off its anniversary year. On Tuesday, January 13, 2009 – 90 years to the day after Orthopädische Industrie GmbH was founded by eponym Otto Bock – around 300 guests of honour including premier Christian Wulff (Lower Saxony) and minister Gerold Wucherpfennig as a representative of premier Dieter Althaus (Thuringia) are expected at 1:00 pm.