In the early hours of 15 April 1912, after the majestic liner Titanic had split apart and the 1,500 men, women and children struggled to stay alive in the freezing Atlantic, the sea was alive with the sound of screaming. Then, as the ship sank to the ocean floor and the passengers slowly died from hypothermia, a deathly silence settled over the sea. Yet the echoes of that night reverberated throug...