Jorge Juan y Santacilia
Spanish geodesist
Died when: 60 years 167 days (725 months)Star Sign: Capricorn
Jorge Juan y Santacilia (Novelda, Alicante, 5 January 1713 – Madrid, 21 June 1773) was a Spanish mathematician, scientist, naval officer, and mariner.He determined that the Earth is not perfectly spherical but is oblate, i.e. flattened at the poles.
Juan also successfully measured the heights of the mountains of the Andes using a barometer.
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