Stefan Mazurkiewicz (25 September 1888 in
Warsaw, then
Russian Empire – 19 June 1945,
Grodzisk Mazowiecki,
Poland) was a
Polish mathematician who worked in
mathematical analysis,
topology, and
probability. He was a student of
Waclaw Sierpinski and a member of the
Polish Academy of Learning (
PAU). His students included
Karol Borsuk,
Bronislaw Knaster,
Kazimierz Kuratowski,
Stanislaw Saks, and
Antoni Zygmund. For a time Mazurkiewicz was a professor at the
University of Paris; however, he spent most of his career as a professor at the
University of Warsaw.