John Hadley

English mathematician, inventor

1682 CE to 1744 CE

John Hadley (16 April 1682 – 14 February 1744) is an English mathematician, inventor of the octant, a precursor to the sextant, around 1730.

He was born in Bloomsbury, London, to Katherine FitzJames and George Hadley.

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Group: Houma people (Amerind tribe)
People: John Hadley
Topic: Simancas, Battle of
Location: Lumbini Nepal
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