People Helmut Otto peoplepill id: helmut-otto-3HO 8 views today 8 views this weekHelmut OttoBiographyListsAlso ViewedListsHelmut Otto is in following listsBy field of workNotable scientistsGender:Male, Born in:Years 1900 to 1929By work and/or countryNotable GeologistsGender:Male, Born in:Years 1900 to 1929Notable MineralogistsGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredHelmut Otto
