Brain man.

Daniel Tammet is autistic or a savant. He is also is known as brain man. When you are autistic you are extremely good at one or to things but you cannot do other thing as good. If you are autistic you are called a savant. This is very very rare in fact, there are around about 52 savants int he world so far. Daniel is the only person has memorized the first 2200 digit of pi. Pi can go on for infinity. It took daniel 22 hour to say all the numbers and he didn't make any mistakes he also said some of them backwards. He went to Iceland to be tested on how he can do this. He was there for to weeks and he learn't the whole Icelandic language. He knows 13 languages.