is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 child prodigy

Child prodigy

A child prodigy is someone who, at an early age, masters one or more skills far beyond his or her level of maturity. One criterion for classifying prodigies is: a prodigy is a child, typically younger than 18 years old, who is performing at the level of a highly trained adult in a very demanding...

 with an estimated IQ of 200 (meaning his IQ cannot be measured by any existing test, 200 is the max score of IQ tests). Yano's father, Katsura, is originally from Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and his mother, Kyung, is originally from South Korea

South Korea

The Republic of Korea , , is a sovereign state in East Asia, located on the southern portion of the Korean Peninsula. It is neighbored by the People's Republic of China to the west, Japan to the east, North Korea to the north, and the East China Sea and Republic of China to the south...

.
Yano reportedly was reading by age 2, writing by age 3, playing classical music on the piano at age 4 and composing by age 5. He went to the Mirman School

Mirman school

Mirman School for Gifted Children is an independent, co-educational school for gifted children located at 16180 Mulholland Drive in Los Angeles, California, United States with 330 pupils aged 5 to 14...

 as a child.