Board Thread:Theories and Speculation/@comment-734582-20150712141917/@comment-734582-20150916130339

LegionZero wrote: Madara. Obito. Obito knew from madara. Madara knew because he had the rinnegan and could thus read a tablet only said rinnegan can read, a tablet kept secret and owned by only one clan among hundreds.

Tally count:

People that know: 2.

People that know that are dead: 1

People that know that are assumed to be dead and don't share these secrets: 1

People that dont know: literally everyone else, for nearly a millennium.