Slocum was a Canadian seaman and adventurer who, in 1898, became the first man to circumnavigate the globe on his own, traveling 46,000 mi (74,000 km) in three years. His account of the voyage, Sailing Alone Around the World, became a classic of travel literature and brought him worldwide fame. In November 1909, he disappeared during another voyage and was declared legally dead 15 years later. What is believed to have happened to him? Discuss
Source: The Free Dictionary