Complex sentence: Vladimir Nikolayevich Toporov (5 July 1928-5 December 2005) was a leading Russian philologist associated with the Tartu-Moscow semiotic school.
Split into simpler sentences: Vladimir Nikolayevich Toporov (5 July 1928-5 December 2005) was a leading Russian philologist. He was a member of Tartu-Moscow semiotic school.