Kazimierz Petrusewicz (Polish pronunciation: [kaˈʑi.mjɛʂ pɛt.ruˈsɛ.vit͡ʂ]; 23 March 1906 in Minsk – 26 March 1982 in Warsaw) was a Polish communist activist, member of the Polish People's Republic government, biologist, full member of the Polish Academy of Sciences , professor at the University of Warsaw, member of the Polish Workers' Party/Polish United Workers' Party during 1944–1982.[1]
In 1947 he was awarded the Commander's Cross of the Order of Polonia Restituta.[2]
He was the son of socialist revolutionary Kazimierz Petrusewicz, Sr (1872–1949).