Complex sentence: Blek le Rat (born Xavier Prou, 1952) was one of the first graffiti artists in Paris, and has been described as the "Father of stencil graffiti".
Split into simpler sentences: Blek le Rat (born Xavier Prou, 1952) is a French graffiti artist. He was one of the first graffiti artists in Paris, and has been described as the "Father of stencil graffiti".