His work is known as challenging, uncomfortable, and often emotionally intense, blessed with some of the best performances from some of our most talented actors. Not to be confused with that other cinematic genius, Paul W.S. Anderson, who gave us the hallowed Resident Evil saga, Paul Thomas Anderson is known for giving us Boogie Nights, Magnolia, There Will Be Blood, and most recently, The Master. So, yeah, some of the best films ever. These, in order, are his five greatest masterpieces.