Giordano Bruno

http://www.bruno-giordano.net/bio.html, http://fusionanomaly.net/giordanobruno.html
There has always been a tendency to burn books & people just because alternative ideas are expressed.
http://en.wikipedia.org/wiki/Giordano_Bruno#Retrospective_views_of_Bruno
Some people really want to question reality from various perspectives.
http://www.infidels.org/library/historical/john_kessler/giordano_bruno.html

http://www.esotericarchives.com/bruno/home.htm, http://galileo.rice.edu/chr/bruno.html

http://www.britannica.com/EBchecked/topic/82258/Giordano-Bruno

http://www.sacred-texts.com/aor/bruno, http://www.gutenberg.org/ebooks/4228

http://www.historyguide.org/intellect/bruno.html