http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Pascal.html
http://en.wikipedia.org/wiki/Blaise_Pascal
http://www.univ-bpclermont.fr/
http://www.newadvent.org/cathen/11511a.htm
_ Pascal Guillemin
http://jp.youtube.com/watch?v=Yp5Bu1szUDs
_ pascal obispo natasha st pier
http://jp.youtube.com/watch?v=ic4C0rhZPMk