Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: I muri i te tau kotahi o te haere ki nga korero a Planck, ka noho a Meitner hei kaiawhina a Planck. I nga tau tuatahi i mahi tahi ia me te kaimatai a Otto Hahn, a, i kitea e ia etahi isotopes hou. I te tau 1909 i whakaatuhia e ia nga tuhinga e rua mo te beta radiation. I kitea e ia, i te taha o Otto Hahn, i whakawhanakehia he tikanga wehenga tinana e mohiotia ana ko te whakahekenga irirangi, i reira ka peia te karihi tamahine mai i tana kopu i te wa e whakahekehia ana i te wa o te pirau.  Pātai: Nā wai i āwhina ia ki te kimi i ngā isotopes hou?
Ko Otto Hahn