Jan Czochralski

Jan Czochralski was a Polish chemist who invented the Czochralski process, which is used for growing single crystals and in the production of semiconductor wafers. He is the most cited Polish scholar.

Czochralski was born in what was then Exin in the Prussia Province of Pomerania, German Empire now Kcynia, Poland. Around 1900 he moved to Berlin, where he worked at a pharmacy. He was educated at Charlottenburg Polytechnic in Berlin, where he specialized in metal chemistry. Czochralski began working as an engineer for Allgemeine Elektrizitts Gesellschaft in 1907.

Source: Wikipedia