Date: 03 Sep 2014
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Kordylewski, Kazimierz

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BornPoznan, Poland, 11 October 1903

DiedCracow, Poland, 11 March 1981

A versatile and prolific observer, Kazimierz Kordylewski discovered the “dust clouds” accompanying Lagrangian points L4 and L5 along the Earth’s orbit. Son of Wladyslaw and Franciszka (née Woroch) Kordylewski, he first attended Poznan University (1922–1924), after which he became an assistant at the Cracow Observatory (1924–1934) and later an adjunct instructor. Kordylewski received his Ph.D. at Jagiellonian University in Cracow (1932). He married Jadwiga Pojak in 1929; the couple had four children.

An accomplished mathematician, Kordylewski calculated the orbits of many comets and minor planets, although his principal work involved the photoelectric photometry of variable stars and the cinematography of solar eclipses. He discovered the nova T Corvi in 1926. Between 1939 and 1951, Kordylewski directed the scientific instruments section of the National Astronomical Copernicus Institute, at Cracow, as well as the institu ...