The qualification for this list is that the people were notable in their own right, and not simply because they disappeared, so no Madeleine McCann and the crew of the Mary Celeste. Some were simply accidental. Some have attracted conspiracy theories. One was definitely foul play. In chronological order:10Steve Fossett2007Steve Fossett, American businessman, aviator and sailor. Disappeared on 3 September 2007 while flying over the Nevada desert. Fossett was the first man to fly solo around the w