People John Christian Roos peoplepill id: john-christian-roosJCR 2 views today 9 views this weekBotanistJohn Christian RoosBiographyListsAlso ViewedListsJohn Christian Roos is in following listsBy field of workNotable scientistsGender:Male, Born in:Years 1900 to 1929By work and/or countryNotable ScientistsGender:Male, Born in:Years 1900 to 1929Notable BotanistsGender:Male, Born in:Years 1900 to 1929From our partnersSponsoredJohn Christian Roos
