Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Ko Johannes Wilhelm "Hans" Geiger (; Tiamana: [ˈɡaɪɡɐ]; 30 Mahuru 1882 <unk> 24 Mahuru 1945) he kairangahau Tiamana. E mōhiotia ana ia hei kai-whakarewa i te wāhanga pūoko o te tauhiuhi Geiger me te whakamātautau Geiger <unk> Marsden i kitea ai te karihi ngota. Ko ia te tuakana o te meteorologist me te climatologist Rudolf Geiger.  Pātai: Nā wai te karihi karihi i kitea?
Ko Johannes Wilhelm "Hans" Geiger