People Hagen Hass peoplepill id: hagen-hassHH 9 views today 17 views this weekBotanistHagen HassBiographyListsAlso ViewedListsHagen Hass is in following listsBy field of workNotable scientistsGender:MaleBy work and/or countryNotable ScientistsGender:MaleNotable BotanistsGender:MaleFrom our partnersSponsoredHagen Hass