Historical Note

  • Discovery of Uranium

    the discovery of the artificial transmutation of uranium in 1934
  • Uranium & Protons

    uranium had the most number of protons of any known element (92)
  • Neutron-induced Uranium Decay

    chemical analyst Fritz Strassman began investigating neutron-induced uranium decay
  • Transuranes

    Hahn was sure of the chemical evidence of transuranes
  • Political Germany

    the political situation in Germany had become dangerous for Meitner
  • Nobel Prize

    Hahn was awarded the Nobel Prize in chemistry
  • Lise Meitner

    Lise Meitner dies