Johannes Wilhelm "Hans" Geiger (; Jarmal: [ˈɡaɪɡɐ]; 30 Sebtember 1882 <unk> 24 Sebtember 1945) wuxuu ahaa fiisikis Jarmal ah. Wuxuu caan ku yahay inuu yahay co-abuuraha qaybta ogaanshaha ee counter Geiger iyo tijaabada Geiger <unk> Marsden oo ogaatay nuqulka atomka. Wuxuu walaal u ahaa khabiirka saadaasha hawada iyo cimilada Rudolf Geiger. Su'aal: Yaa helay nuqulka atomka?
Johannes Wilhelm "Hans" Geiger wuxuu ahaa