A photograph of Prior's colleagues and friends Alan Stout (left) and John Mackie in front of a car, during the East-West conference in Canberra in December 1957.
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…