Edward Marczewski (15 November 1907 – 17 October 1976) was a Polish mathematician. He was born Szpilrajn but changed his name while hiding from Nazi persecution. Marczewski was a member of the Warsaw School of Mathematics. His life and work after the Second World War were connected with Wrocław, where he was among the creators of the Polish scientific centre. He worked at the State Institute of Mathematics, which was incorporated into the Polish Academy of Sciences in 1952. Marczewski's main fields of interest were measure theory, descriptive set theory, general topology, probability theory an