In what year was Polish chemist Jan Czochralski born: 1883, 1885, 1895 or 1897?

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Jan Czochralski, a Polish chemist born on 23 October 1885, created the Czochralski method for growing single crystals, a technique now used in over 90 percent of all electronics that rely on semiconductors.

Learn more on Codexery: Jan Czochralski in 20Th Century Polish Inventors

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