On 7 November 2016, Lviv hosted an unusual philosophical event: Symposium “Kazimierz Twardowski’s Philosophy: History and Contemporary Interpretations”. The reason for this was the fact that 2016 is a year of the 150th Anniversary of the philosopher’s birth. This Symposium was organized by Lviv Philosophical Society named after Kazimierz Twardowski and supported by the Institute of Philosophy, the University of Warsaw. A lot of scholars, mainly from Poland and Ukraine, has taken part in this Symposium. Among them was Jan Woleński, a well-known specialist of Lviv-Warsaw School, professor emeritus of the Jagiellonian University in Kraków. Different aspects of Kazimierz Twardowski’s philosophy were considered in presentations. They ranged from logic and psychology to metaphysics and metaphilosophy.