A polymath is a person who excels in multiple fields, particularly in both arts and sciences. Another term for this is Renaissance man, as many notable polymaths lived during the European Renaissance period.
... explored and colonized Greenland
Leif Ericsson, (born 970), attempted to colonize Vinland
George Everest, (1790-1866)
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Matthew Flinders, (1774-1814), firs ...