Leon Chwistek (Kraków, Austria-Hungary, 13 June 1884 – Barvikha near Moscow, Russia, 20 August 1944) was a Polish logician, philosopher, mathematician, avant-garde painter, theoretician of modern art and literary critic.
Leon Chwistek (Kraków, Austria-Hungary, 13 June 1884 – Barvikha near Moscow, Russia, 20 August 1944) was a Polish logician, philosopher, mathematician, avant-garde painter, theoretician of modern art and literary critic.