After World War II, Kuratowski was actively involved in the rebuilding of scientific life in Poland. Source: Internet
A year later Kuratowski was nominated as the head of Mathematics Department there. Source: Internet
Bulletin of the American Mathematical Society, 41: p. Kuratowski implemented many concepts in set theory and topology. Source: Internet
Doctoral thesis In autumn 1921 Kuratowski was awarded the Ph. Source: Internet
Furthermore, Kuratowski worked as an editor in the Polish Academy of Sciences Bulletin. Source: Internet
He implemented the closure axioms (known in mathematical circles as the Kuratowski closure axioms ). Source: Internet