Kazimierz Twardowski
| Kazimierz Twardowski | |
|---|---|
 |
|
| Born |
20 October 1866 Vienna, Austrian Empire |
| Died | 11 February 1938 (aged 71) Lwów, Poland (now Ukraine) |
| Nationality | Polish |
| Fields |
Philosophy Logic |
| Institutions | Lwów University |
| Alma mater |
University of Vienna (Ph.D., 1891) |
| Thesis | Über den Unterschied zwischen der klaren und deutlichen Perzeption und der klaren und deutlichen Idee bei Descartes (On the difference between clear and distinct perception and between clear and distinct ideas in Descartes) (1891) |
| Doctoral advisor | R. Zimmermann |
| Other academic advisors | Franz Brentano |
| Doctoral students |
Kazimierz Ajdukiewicz Stefan Banach Tadeusz Kotarbiński Stanisław Leśniewski Jan Łukasiewicz |
| Known for | Establishing the Lwów–Warsaw school of logic |
| Influences |
Bernard Bolzano Benno Kerry |
| Influenced |
Roman Ingarden George Stout |
Kazimierz Jerzy Skrzypna-Twardowski (20 October 1866 – 11 February 1938) was a Polish philosopher, logician, and rector of the Lviv University.
Twardowski's family belonged to the Ogończyk coat of arms.
Twardowski studied philosophy in Vienna with Franz Brentano and Robert Zimmermann. In 1892 he received his doctorate with his dissertation, Idee und Perzeption (Idea and Perception), and in 1894 he presented his habilitation thesis, Zur Lehre vom Inhalt und Gegenstand der Vorstellungen (On the Doctrine of the Content and Object of Presentations). He originated many novel ideas related to metaphilosophy.
He lectured in Vienna in the years 1894–95, then was appointed professor at Lwów (Lemberg in Austrian Galicia, now Lviv in the Ukraine). An outstanding lecturer, he was also a rector of the Lwów University during World War I.
There Twardowski established the Lwów–Warsaw school of logic and also became the "father of Polish logic", beginning the tradition of scientific philosophy in Poland. Among his students were the logicians Stanisław Leśniewski, Jan Łukasiewicz and Tadeusz Czeżowski, the historian of philosophy Władysław Tatarkiewicz, the phenomenologist and aesthetician Roman Ingarden, as well as philosophers close to the Vienna Circle such as Tadeusz Kotarbiński and Kazimierz Ajdukiewicz.
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