Smartest Man Alive?

Kim Ung-Yong was born on March 8, 1962. He is in the Guinness Book of World Records for "Highest IQ" with an IQ of 210.
Even months after Kim was born, he displayed incredible intellectual ability. He could talk when he was only 4 months old and by the age of 6 months he could hold conversations with people around him. The average child doesn't even begin speaking until about age one year. By the time he was 2, he could read in 4 different languages: English, Korean, German, and Japanese. From then on out, he could learn a new language in only about a month's time.
At age 2 and a half, Kim began learning calculus. He could differentiate and solve difficult multiplication problems. On November 2, 1967 millions tuned in to watch Kim on a Japanese TV show doing differential and integral calculus at only the young age of 5. Kim was also creatively advanced and could write phenominal poetry and paint masterpieces.
At the age of 4, Kim began studying physics at Hanyang University. In 1970, at age 8, United States NASA invited him to finish his studies. He continued to research for NASA until he was about 16 years old.
The example of Kim Ung-Yong explores the complexity of the human brain. Some children prove to be "geniuses." Kim baffles the minds of people all over the world, how did this child challenge all the standards for child development? What makes him so smart?