NationMaster - Encyclopedia: Kazimierz Kuratowski

a characterization of Hausdorff spaces in terms of what are now called Kuratowski closure axioms;
the proof of the Kuratowski-Zorn lemma
in graph theory, the characterization of planar graphs now known as the Kuratowski's theorem

External links

Biography of Kuratowski (http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Kuratowski.html)

Results from FactBites:

Kazimierz Kuratowski, Mathematician (1255 words)
	Kuratowski became secretary to the mathematics committee and his report was made in 1937.
	Kuratowski now took on the role of leader in this rebuilding process and, through the Polish Mathematical Society of which he was president for eight years immediately following the war, he set about arguing for the implementation of the recommendations of his 1937 report.
	Kuratowski was appointed the Director of the Mathematical Institute of the Polish Academy of Sciences in 1949, a position he held for 19 years.

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