Savant

A Savant is an autistic person who is only good at 1 or 2 things. Theirs only been 52 savants recorded in the world and its extremely rear. Savants can tell what the weather was 100 years ago, calculate big numbers in a second and all sorts of stuff but they usually have a brain of an 8 year old and can't manage them selves properly. But theirs one savant and his name is Daniel Tammet but people call him Brain Man. He's very smart and he can calculate equations and remember really quick. He's said the fist 22, 000 digits of PI in five hour just of the top of his head.