Middle Ages Inventors: websites
http://www.ducksters.com/biography/leonardo_da_vinci.php
http://makingartfun.com/htm/f-maf-art-library/leonardo-da-vinci-biography.htm
http://www.diaryof1.com/2008/02/17/leonardo-da-vinci-for-kids-2/
http://www.brainpop.com/science/famousscientists/leonardodavinci/preview.weml
http://www.sciencekids.co.nz/sciencefacts/scientists/galileogalilei.html
http://www.kidsastronomy.com/galileo.htm
http://sciencewithme.com/learn-about-galileo-galilei/
http://sciencewithme.com/learn-about-galileo-galilei/
http://kids.britannica.com/comptons/article-9273801/Nicolaus-Copernicus
http://www.kidsnewsroom.org/elmer/infocentral/space/html/exploration/people/copernicus.html
http://www.ducksters.com/biography/explorers/ferdinand_magellan.php
http://www.kidspast.com/world-history/0315-ferdinand-magellan.php
http://www.socialstudiesforkids.com/subjects/magellan.htm
http://www.socialstudiesforkids.com/subjects/magellan.htm
http://www.sciencekids.co.nz/sciencefacts/scientists/johanneskepler.html
http://kids.britannica.com/comptons/article-9275255/Johannes-Kepler
http://www.ducksters.com/biography/johannes_gutenberg.php
http://www.kidsnewsroom.org/elmer/infocentral/frameset/inventors/gutenberg/index.html
http://kids.britannica.com/comptons/article-9276283/Ambroise-Pare
http://www.middle-ages.org.uk/filippo-brunelleschi.htm
http://www.biography.com/people/filippo-brunelleschi-9229632?page=1