Sources!

http://www.crystalinks.com/galileo.html

http://en.wikipedia.org/wiki/Galileo

http://www.lucidcafe.com/library/96feb/galileo.html

http://www.zephyrus.co.uk/galileogalilei.html

http://www.pearsoned.ca/school/worldviews/

http://galileo.rice.edu/fam/vincenzo.html