Leon Chwistek [SEP] place of death
Leon Chwistek
Leon Chwistek (Kraków, Austria-Hungary, 13 June 1884 – 20 August 1944, Barvikha near Moscow, Russia) was a Polish avant-garde painter, theoretician of modern art, literary critic, logician, philosopher and mathematician.
Logic and philosophy.
Starting in 1929 Chwistek was a Professor of Logic at the University of Lwów in a position for which Alfred Tarski had also applied. His interests in the 1930s were in a general system of philosophy of science, which was published in a book
They were initiated at Kraków by Ivan Śleszyński ("aka" Jan Śleszyński, "aka" Ivan Vladislavovich Sleshinsky; 23 July 1854 – 9 March 1931), professor of mathematics and logic. At Kraków also, and later at Lwów, logic studies were conducted by Leon Chwistek (1884–1944), a multi-faceted and somewhat eccentric thinker—mathematician, philosopher, esthetician, painter—whose name came to be associated popularly with his concept of "plural realities."
After Petrażycki's death, the outstanding legal philosopher