They died with violence, recording a story that was sadder than words could tell. They came from both sides, from no sides, and from a dozen countries. They were professionals, amateurs, soldiers and adventurers. All they had in common were cameras, guts, and professional brilliance. But beyond a string of Pulitzer Prizes, there was no memorial to these unsung heroes until a group of their surviving comrades collaborated on an astonishing book called, appropriately, Requiem.