"1902-02-22Z"^^ . "1980Z"^^ . . "1902Z"^^ . "German nuclear scientist" . . . . . "Friedrich Wilhelm Strassmann"@en . "Friedrich Wilhelm \"Fritz\" Strassmann (German: Stra\u00DFmann; 22 February 1902 \u2013 22 April 1980) was a German chemist who, with Otto Hahn in 1938, identified barium in the residue after bombarding uranium with neutrons, results which, when confirmed, demonstrated the previously unknown phenomenon of nuclear fission."@en . "Strassmann, Fritz"@en . "1980-04-22Z"^^ . . . . "Fritz Strassmann"@en . .