Kim Ung-yong - The person with highest IQ

Kim Ung-yong was born on March 7, 1963. Kim was born in Hongje-dong, Seoul, South Korea. His father, Kim Soo-Sun was a professor. Kim started speaking at the age of 6 months and was able to read Japanese, Korean, German, English and many other languages by his third birthday. When he was four years old, his father said he had memorized about 2000 words in both English and German. He was writing poetry in Korean and Chinese and wrote two very short books of essays and poems.

An article was published about him in Look magazine. After reading the article, a teacher and students at Grant High School in Los Angeles began writing to him and in February 1967 his father applied for Kim to be enrolled at Grant High School. By four years old, he had scored more than 200 on an IQ test normally given to seven-year-olds. On November 5, 1977, Kim solved complicated differential and integral calculus problems on Japanese television. Kim was listed in the Gu

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Reference:
http://en.m.wikipedia.org/wiki/Kim_Ung-yong