Complex sentence: Serge Daney (June 4,1944, Paris--June 12,1992) was an influential French movie critic who went on from writing film reviews to developing a "television criticism" and onto building a personal theory of the image.
Split into simpler sentences: Serge Daney (June 4,1944, Paris--June 12,1992) was a French movie critic. He who went on from writing film reviews to developing a "television criticism" and onto building a personal theory of the image.