GREAT WALL OF CHINA History of the Great Wall of China: The Great Wall of China is the national military defense project in the cold weapon war era with the longest time and the largest amount of construction in the world. It condenses the sweat and wisdom of our ancestors and is the symbol and pride of the Chinese nation. According to historical records, since the Warring States period, more than 20 vassals and feudal dynasties have built the Great Wall. The earliest was the Chu Kingdom. To defend the nomadic or enemy countries in the north, they began to build the Great Wall. Subsequently, Qi, Yan, Wei, Zhao, Qin, and other countries also began to build their own Great Wall for the same purpose. After Qin unified the six countries, the famous emperor Qin Shihuang sent Meng Tian northward to the Xiongnu, connecting the Great Walls of various countries. From Linyao in the west to Liaodong in the east, it stretched for more than 10,...
Occupation: Chemist and microbiologist Born: December 27, 1822 in Dole, France Died: September 28, 1895 in Marnes-la-Coquette, France Best known for: The discovery of vaccinations, pasteurization, and proving that germs cause disease. Biography: Early Life Louis Pasteur was born in Dole, France on December 27, 1822. His family was poor and during his early education he was an average student who enjoyed art and singing. However, when Louis was exposed to science as a teenager, he knew he had found his calling. Louis Pasteur by Albert Edelfelt College and Career In 1838, Louis went to college to become a science teacher. He earned degrees in mathematics, physics, and chemistry. He then became a chemistry professor at the University of Strasbourg. While at the University he fell in love with the daughter of the university's rector, Marie Laurent. He and Marie married in 1849. They had five children, however, three died young from typhoid fever. ...
Comments