'Something remarkable was about to happen to the markets, an upheaval that would change the course of financial history and transform John Paulson from a mere spectator to the biggest player in the game' Autumn 2008. As the world's financial markets collapse, one man is left standing tall. That man is John Paulson, the softly spoken hedge-fund legend who predicted the crash. By betting against the housing market and the banks he earned $15 billion for his fund and $4 billion for himself in a single year. That's the largest trading windfall in history, by far. And this is how he did it.