People Germany Otto Janssen peoplepill id: otto-janssenOJ 2 views today 8 views this weekGerman philosopherOtto JanssenBiographyListsAlso ViewedListsOtto Janssen is in following listsBy field of workNotable German people in academiaGender:Male, Born in:Years 1850 to 1899Notable German philosophersGender:Male, Born in:Years 1850 to 1899By work and/or countryNotable German PhilosophersGender:Male, Born in:Years 1850 to 1899Notable German ProfessorsGender:Male, Born in:Years 1850 to 1899Notable German EducatorsGender:Male, Born in:Years 1850 to 1899From our partnersSponsoredOtto Janssen