Engineer Pál Selényi (17 November 1884 – 21 March 1954) was known as the "father of xerography" at Tungsram corporation. He is also known as Paul Selenyi. Chester Carlson read one of Selenyi's papers in the 1930s and was very greatly impressed; subsequently, he invested in a big effort to develop xerography. That may be the reason why Selenyi was known as the "father of xerography" by some people. Pál Selényi studied physics and mathematics at the Budapest University. After finishing his studies, Selényi started to work for the newly created Applied Physics Department of the University. From h
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