Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar wurin: Passage: Otto Wallach (27 Maris 1847 <unk> 26 Fabrairu 1931) wani masanin kimiyyar Jamus ne kuma mai karɓar kyautar Nobel a Chemistry a 1910 don aikinsa a kan mahaɗan alicyclic. Tambaya: Yaushe Otto ya mutu?
26 ga Fabrairu 1931