The following links are recommended for your research:
Steve Jobs
http://en.wikipedia.org/wiki/Steve_Jobs
http://www.ted.com/talks/steve_jobs_how_to_live_before_you_die.html
Wolfgang Amadeus Mozart
http://www.artsalive.ca/en/mus/greatcomposers/mozart/mozart.html
http://www.imahero.com/../../timelines/wolfgang_timeline.htm
http://www.classicsforkids.com/shows/bio.asp?ID=27
http://www.incwell.com/Biographies/Mozart.html
Vincent Van Gogh
http://www.ibiblio.org/wm/paint/auth/gogh/
http://library.thinkquest.org/J001608F/
http://www.nga.gov/exhibitions/vginfo.shtm
http://www.vangoghmuseum.com/bisrd/top-1-2.html
Charlie Chaplin
http://www.youtube.com/watch?v=hxIbZPw1vl0&feature=related
http://www.charliechaplin.com/en/biography/articles/21-Overview-of-His-Life
José Saramago
http://www.npr.org/templates/story/story.php?storyId=127937287
http://www.gradesaver.com/author/jose-saramago/
http://en.wikipedia.org/wiki/Jos%C3%A9_Saramago