Mathematician:Georg Joachim Rhaeticus

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

The sole pupil of.

Calculated a table of sines accurate to $15$ decimals.

Nationality
Austrian

History

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

Books and Papers

 * 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)
 * 1596: Opus Palatinum de triangulis

Facilitated the publication of De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) by

Also see

 * : Chapter $5$: Eternal Triangles