The following is a list of famous people who are believed to have been polydactyl:
Anne Boleyn - said to have had eleven fingers, although she only had a double fingernail and a lump on her little finger[1] (http://www.straightdope.com/classics/a3_053)
... idea of "entrism"). The left-wing of the SPA, or the Debs Caucus, including McReynolds, reconstituted the spirit of the SPA and Eugene V. Debs into the Socialist Party ...