It is renowned mainly for its contribution to the development of modern logic and analytic philosophy (Lvov-Warsaw School - Alfred Tarski, Jan Łukasiewicz, Kazimierz Ajdukiewicz, Tadeusz Kotarbiński, Stanisław Leśniewski) and to history of ideas (Warsaw School of the History of Ideas - Władysław Tatarkiewicz, Stanisław Ossowski, Maria Ossowska, Leszek Kołakowski, Adam Schaff).
In the pre-partition Varsovian institutions, the Collegium Nobilium and the Szkoła Rycerska to the lecturers of philosophy belonged Antoni Wiśniewski and Marcin Nikuta.
Chairs of philosophy were held by Jan Łukasiewicz, Władysław Tatarkiewicz, Tadeusz Kotarbiński, Stanisław Leśniewski, Kazimierz Ajdukiewicz and Stanislaw Schayer.
After 1945, during the stalinist era, due to political predominance of Marxist philosophy in Poland some professors were partially prohibited from pursuing didactic activity.
To the most important philosophers and logicians of the post-war period connected with the University of Warsaw belong Kazimierz Ajdukiewicz, Zdzisław Augustynek, Bronisław Baczko, Marek Fritzhand, Henryk Jankowski, Andrzej Kasia, Leszek Kołakowski, Władysław Krajewski, Tadeusz Kroński, Jan Legowicz, Stefan Morawski, Elżbieta Pietruska-Madej, Marian Przełęcki, Adam Schaff, Marek Siemek, Adam Sikora, Roman Suszko, Klemens Szaniawski and Bogusław Wolniewicz.