Nicholas of Cusa Nicholas of Cusa (1401 - August 11, 1464) was a cardinal of the Catholic Church, a philosopher, a mathematician, and an astronomer http: //academickids.com/encyclopedia/index.php...
Nicolaus Copernicus Nicolaus Copernicus (in Latin; Polish Mikołaj Kopernik, German Nikolaus Kopernikus); February 19, 1473 – May 24, 1543) was a Polish astronomer, mathematician and economist who developed the heliocentric (Sun-centered) theory of the solar system.. http: //academickids.com/encyclopedia/index.php...
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