Teddy Hobbs. See SWNS story SWLNmensa - A toddler who taught himself to read aged just TWO years old has become one of the youngest people in the world to join Mensa. Teddy Hobbs, now four, managed to gain entry to the exclusive organisation for the intellectual 'elite' aged just three years and nine months last year. Mensa is an international group for high-IQ individuals founded in 1947 that only accepts members who are above the 98th percentile of IQs worldwide. The child prodigy from Portishead, Bristol, can already count to 100 in six non-native languages, including Mandarin, Welsh, French, Spanish and German.