Complex sentence: Ivan Sviták (10 October 1925 Hranice na Moravě--20 October 1994 Prague) was a Czech philosopher, critic, and poet who ranked among Europe's most prominent proponents of Marxist humanism.
Split into simpler sentences: Ivan Sviták (10 October 1925 Hranice na Moravě--20 October 1994 Prague) was a Czech philosopher, critic, and poet. He was among Europe's most prominent proponents of Marxist humanism.