Mathematician:Georg Joachim Rhaeticus

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Austrian mathematician who was the sole pupil of Nicolaus Copernicus.

Calculated a table of sines accurate to $10$ decimals.




  • Born: 16 February 1514 in Feldkirch, Austria
  • Died: 4 December 1574 in Kassa, Hungary (now Kosice)


  • September 1539: First report to Johann Schöner on the Books of the Revolutions of the learned gentleman and distinguished mathematician, the Reverend Doctor Nicolaus Copernicus of Torun, Canon of Warmia, by a certain youth devoted to mathematics
  • August 1541: Tabula chorographica auff Preussen und etliche umbliegende lender (Map of Prussia and Neighboring Lands)

Facilitated the publication of De Revolutionibus Orbium Coelestium ("On the Revolutions of the Heavenly Spheres") by Nicolaus Copernicus

Also known as

Full name: Georg Joachim von Lauchen Rhaeticus (often rendered Rheticus).