Jan Czochralski

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Jan Czochralski (/ˈjæn tʃɒxˈrɑːlski/ YAN chokh-RAHL-skee, Polish pronunciation: [ˈjan t͡ʂɔˈxralskʲi]; 23 October 1885 – 22 April 1953) was a Polish chemist who invented the Czochralski method, which is used for growing single crystals and in the production of semiconductor wafers.

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