Composition: The scientist I am most familiar with.

In the history of celebrities in my heart, there have been many scientists who have benefited our mankind, such as Nobel, the king of bombs, Edison, the king of inventions that lit up the night, Mendeleev, the discoverer of the periodic table of elements, and Copernicus, the scientific giant who founded Heliocentrism ... Among them, Edison, the most respected king of inventions, had more than 2,000 inventions in his life. On average, there will be a new invention every 15 days. At the peak of invention, there is an invention every three days, so he is called "the king of invention", and his invention has made great contributions to mankind. He was curious when he was a child. No matter what happens, he will ask why. Whenever possible, he likes to do experiments easily, so he often makes big jokes. Once, he saw a hot air balloon flying and wondered if a person's stomach was full of gas. After that, he let his companion eat a powder that can produce gas, which almost killed him. His father also gave Edison a good beating, but his curiosity did not diminish. In class, he often asks questions that even the teacher can't answer. The teacher called him "idiot" and "imbecile", and finally he was expelled from school. But his mother is also a teacher and has been teaching him ever since. The most brilliant achievement in his life was the invention of the electric light. Before electric light appeared, people used dim kerosene lamps. After carefully studying the dazzling arc lamp, he announced that he would invent an electric lamp with soft light. He found 1600 kinds of heat-resistant metals and 6000 kinds of plant fibers, but all failed. Finally, one day Edison thought of trying cotton yarn, and then what they looked forward to day and night appeared in front of them: the light bulb gave off golden light. This day is 1879, 10, 2 1. Later, people designated this day as the invention day of electric light.