Jan Bohdan Dembowski (26 December 1889 – 22 September 1963) was a

Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...

biologist and academic who was the first President of the

Polish Academy of Sciences The Polish Academy of Sciences ( pl, Polska Akademia Nauk, PAN) is a Polish state-sponsored institution of higher learning. Headquartered in Warsaw, it is responsible for spearheading the development of science across the country by a society of ...

Biography

Dembowski was born in

Saint Petersburg Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...

, Russia and studied in the

and

Vienna en, Viennese , iso_code = AT-9 , registration_plate = W , postal_code_type = Postal code , postal_code = , timezone = CET , utc_offset = +1 , timezone_DST ...

universities. From 1919 to 1934 a researcher at the Nencki Institute of Experimental Biology of the Polish Academy of Sciences in Warsaw. From 1920 to 1930 a professor at the Free Polish University and from 1922 to 1934 he was an associate professor at the

University of Warsaw The University of Warsaw ( pl, Uniwersytet Warszawski, la, Universitas Varsoviensis) is a public university in Warsaw, Poland. Established in 1816, it is the largest institution of higher learning in the country offering 37 different fields of ...

. He was a professor at the Vilnius University and after the Soviet annexation of Lithuania he became a lecturer at the Marxism-Leninism University in Vilnius. In years 1929–1939 he was the editor-in-chief of