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3 unusual facts about Kazimierz Kuratowski


Kazimierz Kuratowski

Moreover, with Alfred Tarski and Wacław Sierpiński he provided most of the theory concerning Polish spaces (that are indeed named after these mathematicians and their legacy).

Since Janiszewski was deceased, Kuratowski's supervisor was Wacław Sierpiński.

Knaster–Kuratowski fan

In topology, a branch of mathematics, the KnasterKuratowski fan (also known as Cantor's leaky tent or Cantor's teepee depending on the presence or absence of the apex) is a connected topological space with the property that the removal of a single point makes it totally disconnected.


Gordon Thomas Whyburn

After two years as an adjunct professor at U. of Texas, with the aid of a Guggenheim fellowship Whyburn spent the academic year 1929/1930 in Vienna with Hans Hahn and in Warsaw with Kuratowski and Sierpinski.


see also