
Unknown author · Public domain · Source
Otto Hahn
German chemist who discovered uranium fission with Strassmann in 1938 and received the 1944 Nobel Prize in Chemistry

Unknown author · Public domain · Source
German chemist who discovered uranium fission with Strassmann in 1938 and received the 1944 Nobel Prize in Chemistry
In December 1938 the Berlin chemists Otto Hahn and Fritz Strassmann found barium produced from uranium bombarded with neutrons. The exiled Lise Meitner and Otto Frisch explained that the uranium nucleus had split in two, releasing enormous energy.

Austrian-born physicist who, after fleeing the Nazis to Sweden, gave the first physical explanation of nuclear fission with her nephew Frisch
From the discovery of fission to the first Soviet bomb — Einstein’s letter, the Manhattan Project, the Trinity test, Hiroshima and Nagasaki, and the dawn of the nuclear age