In Greek mythology, Polidarius was a son of Asclepius. With Machaon, his brother, he led an army from Thessaly in the Trojan War on the side of the Greeks. Like Machaon, he was a legendary healer.
... discoverer of North America
Thor Heyerdahl, (1914-2002), Norwegian explorer
Henry Hudson, (died 1570), discovered the Hudson River and sailed up it to Albany, ...