Jan Feliks Tur (25 August 1875 – 8 May 1942) was a Polish zoologist who specialized in embryology, mutagenesis, and teratology at the University of Warsaw. His family belonged to the Korczak clan of nobles. Tur was born at Radziwiliszki near Grażun to landowner Jarosław Daniel and Maria née Rymkiewicz. After schooling in Vilnius and

Częstochowa Częstochowa ( , ; german: Tschenstochau, Czenstochau; la, Czanstochova) is a city in southern Poland on the Warta River with 214,342 inhabitants, making it the thirteenth-largest city in Poland. It is situated in the Silesian Voivodeship (admin ...

, he studied zoology at the Warsaw Imperial University under Pavel Mitrofanov and became his assistant in 1899. After receiving a doctorate from the

Jagiellonian University The Jagiellonian University (Polish: ''Uniwersytet Jagielloński'', UJ) is a public research university in Kraków, Poland. Founded in 1364 by King Casimir III the Great, it is the oldest university in Poland and the 13th oldest university in ...

on avian teratology under Józef Nusbaum-Hilarowicz he went on internships to Villefranche, Roscoff, Saratov, Vimereux and Heligoland. In 1912 he began a zoological laboratory in Warsaw and gave lectures in biology. From 1915 he was involved in the revival of the Polish University of Warsaw and became a lecturer in 1916. After his

habilitation Habilitation is the highest university degree, or the procedure by which it is achieved, in many European countries. The candidate fulfills a university's set criteria of excellence in research, teaching and further education, usually including a ...

in 1918, he became a professor of comparative anatomy in 1919. His research was principally on abnormal development of the embryo (or teratology) and worked on cytology, embryology and comparative anatomy. He examined the effect of radiation from radium on organismic development and mutation, working with

Marie Skłodowska-Curie Marie Salomea Skłodowska–Curie ( , , ; born Maria Salomea Skłodowska, ; 7 November 1867 – 4 July 1934) was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first ...

whom he had met in Paris in 1902. He took an evolutionary approach to the interpretation of mutations and believed that some mutations could demonstrate primitive developmental states. He also took an interest in the history and philosophy of science.

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* {{DEFAULTSORT:Tur, Jan 1875 births 1942 deaths Polish zoologists Polish nobility