Information on the past "Survivor" winners can be found on the CBS webpage devoted to the show. Search or go to CBS.com and click on shows. Find the list of shows, then click on "Survivor" and there is a specific page for that show containing information on past winners.
There are currently 29 winners for the 29 seasons of "Survivor" as of August 2015. The CBS website offers the entire list. This list not only has the names of the winners and which season they won, but it also includes links that takes users to very bios and stories about each winner.