Mathematician:Tycho Brahe

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Danish nobleman famous for his contributions to the science of astronomy.

Refuted the Aristotelian view that the heavens were unchanging, by interpreting observations of supernovae and comets.

Pointed out inaccuracies in the astronomical model proposed by Nicolaus Copernicus, preferring to adhere to the geocentric model of Claudius Ptolemy.

Famous for having had his nose sliced off in a duel in his youth, in place of which he wore one made of gold, held on by means of a strap.

Died of a burst bladder from drinking too much at a banquet and refusing to violate etiquette by leaving the table before the guests.




  • Born: 14 December 1546 in Knutstorp, Skane, Denmark (now Svalöv, Sweden
  • 1600: Hired Johannes Kepler as his assistant, despite their differences of doctine
  • Died: 24 October 1601 in Prague, Bohemia (now Czech Republic)


  • 1588: De mundi aetherei recentioribus phaenomenis
  • 1598: Astronomiae Instauratae Mechanica

Also known as

His full name in Danish: Tyge Ottesen Brahe