Go to every site to gather all you can regarding your own artist background in the Biography sites. Look at the artist's works in the Galleries, and understand the defintion of Impressionism/Post-Impresionism. Keep good notes as they will be used for your Critique of the artist. There are two artist in this site and each one has its own bibliographies, galleries, and definitions.
BIOGRAPHIES OF PAUL GAUGUIN http://www.impressionniste.net/gauguin_paul.htm
http://www.oceansbridge.com/artist-biography/gauguin.php
http://www.artchive.com/artchive/G/gauguin.html
http://cgfa.sunsite.dk/gauguin/gauguin_bio.htm
http://www.normandy-tapestry.com/france_general_info/french_art_posters/Gauguin_Paul.htm
http://www.ibiblio.org/wm/paint/auth/gauguin/
GALLERIES OF PAUL GAUGUIN http://www.artcyclopedia.com/artists/gauguin_paul.html
http://www.expo-gauguin.net/1_4.cfm
http://www.nga.gov/cgi-bin/psearch?Request=S&imageset=1&Person=11750
DEFINITIONS OF IMPRESSIONISM/POST-IMPRESSIONISM http://www.ibiblio.org/wm/paint/glo/impressionism/
http://www.artcyclopedia.com/history/post-impressionism.html
BIOGRAPHIES OF PAUL CEZANNE http://www.artcyclopedia.com/artists/cezanne_paul.html
http://www.impressionniste.net/cezanne_paul.htm
http://www.expo-cezanne.com/2.cfm
http://cgfa.sunsite.dk/cezanne/cezanne_bio.htm
http://www.normandy-tapestry.com/france_general_info/french_art_posters/Cezanne_Paul.htm#Paul%20Cezanne:%20Extended%20biography1
http://www.repropaint.com/Cezanne/cezanne.htm
http://www.artchive.com/artchive/C/cezanne.html
GALLERIES OF CEZANNE http://www.artcyclopedia.com/artists/cezanne_paul.html
http://www.nga.gov/cgi-bin/psearch?Request=S&imageset=1&Person=5050