Edison:
When he was a child, he was called a mentally retarded person. He was forced to leave after only going to primary school, but in the end he became a famous inventor. Edison was the first person in human history to make use of a large number of production principles and electrical engineering research laboratories to patent inventions, which had a far-reaching impact on the world. His invention of the phonograph, movie camera and improved electric light had a great influence on the world.
Hua:
19101012. Hua was born in Jintan District, Changzhou City, Jiangsu Province. When he was young, he liked to use his brain. Because he is too focused on thinking, he is often nicknamed "Luo Daku" by his peers. When he grew up, he was listed as one of the 88 great mathematicians in the Chicago Museum of Science and Technology. The international achievements in mathematical research include Fahrenheit theorem, Fahrenheit inequality and Hua Wang method.