Rüdiger Gamm
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Rüdiger Gamm (born July 10, 1971) is a German "mental calculator". He attained his ability to calculate (memorize most of the time) complex mathematics in his head at the age of 21. As well, he can also speak backwards in complete sentences, and calculate calendars. Featured on the Discovery Channel show The Real Superhumans, he was examined by scientist Allan Snyder who concluded that his ability was not a result Savant Syndrome but connected to genetics. According to Gamm, anyone can do what he can do. "There is just a table of numbers to learn then anyone can do it"