A photograph of young Jan Łukasiewicz (21 December 1878 – 13 February 1956), the famous founder of the Polish school of logic, who had enormous influence on Arthur Prior's own development as a logician. Łukasiewicz is the inventor of the Polish…
Newspaper notice of Prior's appointment as professor of philosophy at Canterbury University College, including his biography and a photo of him, The Press, Sat. 8 November 1952, p. 5.
Alfred Tarski (1901–1983), probably the most famous logician that came out of the Warsaw School of Logic. He was a student of Jan Łukasiewicz at the University of Warsaw. He emigrated to the United States in 1939, at the beginning of the German…