Deaths on December 10

Edmund Gunter

Died on December 10, 1626

Edmund Gunter, English mathematician and academic (b. 1581)

Edmund Gunter (1581 – 10 December 1626), was an English clergyman, mathematician, geometer and astronomer of Welsh descent. He is best remembered for his mathematical contributions which include the invention of the Gunter's chain, the Gunter's quadrant, and the Gunter's scale. In 1620, he invented the first successful analogue device which he developed to calculate logarithmic tangents.He was mentored in mathematics by Reverend Henry Briggs and eventually became a Gresham Professor of Astronomy, from 1619 until his death.

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Edmund Gunter

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Events on 1626

11 Feb

Afonso Mendes
Emperor Susenyos I of Ethiopia and Patriarch Afonso Mendes declare the primacy of the Roman See over the Ethiopian Church, and Catholicism to be the state religion of Ethiopia.