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John Hadley

mathematician

John Hadley

English mathematician and astronomer; (1682-1744)

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About John Hadley

John Hadley was an English mathematician, and laid claim to the invention of the octant, two years after Thomas Godfrey claimed the same.

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Occupation: mathematician, astronomer, inventor, nautical instrument maker
Citizenship: Kingdom of Great Britain
Born: April 16, 1682
Died: February 14, 1744

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Facts from Wikidata (CC0). Image by anonymous via Wikimedia Commons (Public domain).

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