Complex sentence: He has been one of the main urban art proponents in France since 1982, and was among the very first street art pioneers of the early 1980s like Blek le Rat, Miss.Tic, Jérôme Mesnager and Speedy Graphito.
Split into simpler sentences: He has been one of the main urban art proponents in France since 1982. He belongs to the very first street art pioneers of the early 80s like Blek le Rat, Miss.Tic, Jérôme Mesnager, Speedy Graphito.