Nicolaus Copernicus
Biography
Facts
Fame
Famous Display
Cite
http://plato.stanford.edu/entries/copernicus/
http://en.wikipedia.org/wiki/Nicolaus_Copernicus
http://www.phy.hr/~dpaar/fizicari/xcopern.html
http://www.blupete.com/Literature/Biographies/Science/Copernicus.htm