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In what year did Pál Selényi die: 1944, 1954, 1955 or 1963?

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Pál Selényi (17 November 1884 – 21 March 1954) was a Hungarian engineer known as the 'father of xerography' at Tungsram corporation.

Learn more on Codexery: Pál Selényi in 20th-century Hungarian Inventors