For anyone who traded in the 2003-2007 interval (second liens what else - did anything else even trade in that period), the name DB Zwirn was synonymous with hedge fund perfection. In fact, the only name that stood above it was that of Phil Falcone's hedge fund Harbinger. Gradually, both of these high fliers were replaced in the awestruck trader lexicon with another "legendary" hedge fund, that of Paulson & Co. But for a brief period the Zwirn offce at 745 Fifth is where every fixed income trader wanted to reside. Yet as always happens, anything that is too good to be true, isn't. Below is William Cohan, who in a way that only he can, spins the tale of the the rapid rise and even more rapid fall of the hedge fund manager who had it all by his thirties, only to lose it (mostly) all shortly thereafter.