Tadeusz Kotarbiński (1886-1981) - philosopher, creator of independent ethics, for many years a professor at Warsaw University, and the first Rector of the University of Łódź. 'Elementy teorii poznania, logiki formalnej i metodologii nauk' (Elements of a Theory of Perception, Formal Logic and Scientific Methodology, 1929) was his first work, in which he presented his novel philosophical ideas. His other well-known works include 'Niektóre problemy etyki niezależnej' (Some Problems of Independent Ethics, 1957), 'Trzy główne problemy' (Three main problems, 1964). His five-volume 'Pisma etyczne' (Ethical Writings) were published posthumously in 1987. In 1954 Kotarbiński was granted the Commander's Cross with Star of the Order of Polonia Restituta.
