People Germany Johannes Janssen peoplepill id: johannes-janssenJJ 5 views today 5 views this weekGerman historian and politicianJohannes JanssenBiographyListsAlso ViewedListsJohannes Janssen is in following listsBy field of workNotable German people in social scienceGender:Male, Born in:Years 1800 to 1849By work and/or countryNotable German HistoriansGender:Male, Born in:Years 1800 to 1849From our partnersSponsoredJohannes Janssen