John Hadley

Mathematician, Academic

1682 – 1744

22

Who was John Hadley?

John Hadley was an English mathematician, inventor of the octant, a precursor to the sextant, around 1730.

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Born
Apr 16, 1682
Bloomsbury
Siblings
Nationality
  • England
Profession
Lived in
  • London
Died
Feb 14, 1744
East Barnet

Submitted
on July 23, 2013

Citation

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