Mathematician:John Hadley

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Mathematician

English mathematician who invented the sextant, independently of Thomas Godfrey.

Constructed the first practical working reflecting telescope.


Nationality

English


History

  • Born: 16 April 1682 in Bloomsbury, London
  • Died: 14 February 1744 in East Barnet, Hertfordshire


Inventions


Publications

  • 1731: Description of a new instrument for taking angles
  • 1734: A description of a new instrument for taking the latitude or other altitude at sea


Sources