1. Inventor Leonardo da Vinci
   Fascinating facts about Leonardo da Vinci, whose innovations in the field of painting influenced the course of Italian art for more than a century after his death, and his scientific studies—particularly in the fields of anatomy, optics, and hydraulics—anticipated many of the developments of modern science.
   http: //ideafinder.com/history/inventors/davinc...
   
   
2. Leonardo da Vinci
   Leonardo da Vinci, inventor, scientist and artist
   http: //mos.org/leonardo/index.html