Mathematician and astronomer
Born in Toruń, Royal Prussia to a wealthy merchant family
Studied at St. John's school in Toruń, Cathedral School at Włocławek, University of Kraków, University of Bogna, University of Padua, and University of Ferrara
"Of all things visible, the highest is the heaven of the fixed stars."
Developed the idea that the sun is the center of the universe, not earth
If it weren't for Copernicus, we could still think that the earth is the center of the universe
His book The Revolutions of Celestial Spheres is considered a major book in history