kim ung-yong (born 8 march 1962) was a korean child prodigy. he was able to read and write in japanese, korean, german and english before he turned four years old. at the age of four, on 2 november 1967, he answered differential and integral calculus questions on japanese television, showed that he could speak german, english, japanese and korean, and write poetry. kim was listed in the guiness book of world records under "highest iq"; the book guessed the boy's score at "over 200."