Person: Urbanik, Kazimierz
Kazimierz Urbanik was a Polish mathematician (born in what is now Ukraine) best known for his work in stochastic processes and probability theory.
Mathematical Profile (Excerpt):
 Completing his secondary education in Brzeg in 1948 by passing the matura, Urbanik entered the University of Wrocław.
 After graduating Urbanik was employed to teach at the university while he studied for his doctorate with Marczewski as his thesis advisor.
 Urbanik then began to mix an interest in topology with measure theory and probability and his 1954 papers show this mix: Sur un problème de J F Pàl sur les courbes continues Ⓣ(On a J F Pàl problem on continuous curves); Limit properties of homogeneous Markov processes with a denumerable set of states; Sur la structure nontopologique du corps des opérateurs Ⓣ(On the nontopological structure of the body of operators); and Quelques théorèmes sur les measures Ⓣ(Some theorems on measures).
 Urbanik remained at the University of Wrocław and habilitated there in 1957 becoming a dozent.
 In the light of the comments we have already made about Urbanik's research, we need only explain where his interest in the last two of these five areas arose.
 Urbanik published a number of highly significant papers on this topic such as Representation theorem for Marczewski's algebras (1959), A representation theorem for Marczewski's algebra (1960), (with E Marczewski) Abstract algebras in which all elements are independent (1960), and Linear independence in abstract algebras (1966).
 In 1965 Urbanik was elected to the Polish Academy of Sciences, later serving two terms as Vice President.
Born 5 February 1930, Krzemieniec, Poland (now Ukraine). Died 29 May 2005, Wrocław, Poland.
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References
Adapted from other CC BYSA 4.0 Sources:
 O’Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive