Timothy Doner, a 16 year old sophomore from New York has become part of the small community of persons who are multilingual (hyperpolyglots). He currently knows over a dozen languages and has astonishingly learned them in less than five years. His quest at becoming multilingual began at 13 after learning some Hebrew for his bar mitzvah. He does not think of language entirely as a form of communication but more of as a science. Timothy Doner, among other hyperpolyglots defy the critical period hypothesis.
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Bilingualism Research Today 