The Lwów–Warsaw School was an interdisciplinary school founded by Kazimierz Twardowski in 1895 in Lemberg, Austro-Hungary.
Kazimierz Twardowski
Warsaw University Library. Atop columns: statues (facing entrance) of Lwów–Warsaw School philosophers: Kazimierz Twardowski, Jan Łukasiewicz, Alfred Tarski, and Stanisław Leśniewski
Kazimierz Jerzy Skrzypna-Twardowski was a Polish philosopher, psychologist, logician, and rector of the Lwów University. He was initially affiliated with Alexius Meinong's Graz School of object theory.
Kazimierz Twardowski
Warsaw University Library – at the entrance are pillared statues of Lviv-Warsaw School of Logic philosophers (right to left) Kazimierz Twardowski, Jan Łukasiewicz, Alfred Tarski, and Stanisław Leśniewski