Bi Sheng (about 97 1- 105 1) was born in Hezhi Township, Qishui County, Zhou Qi, Hubei Province (now Wuguidun Village, Caopandi Town, yingshan county, Huanggang City, Hubei Province), during the Northern Song Dynasty. A great inventor in ancient China. He invented movable type printing, more than 400 years before Gutenberg invented metal movable type printing.
2, Cai Lun-papermaking.
Cai Lun (? -12 1) from Guiyang county in the eastern Han dynasty. In the last years of Han Yongping, he entered the palace as a minister. In the second year of Zhanghe (AD 88), Cai Lun was promoted to be a regular servant because of his meritorious service to the Empress Dowager, and Cai Lun also held an official position. Cai Lun summed up people's paper-making experience in the past, innovated the paper-making technology, and finally made "Cai Hou Paper".
In the first year of Yuan Xing (A.D. 105), it was reported to the imperial court, and Han and Emperor ordered the popularization of his papermaking method. In the first year of Jianguang (A.D. 12 1), he committed suicide because of a power struggle? .
3. Zhang Heng-armillary sphere and seismograph.
Zhang Heng (78- 139) was born in Hirako. Han nationality, a native of Xi 'e, Nanyang (now Shiqiao, Nanyang City, Henan Province), is one of the five saints in Nanyang, and is also known as the four masters of Han Fu with Sima Xiangru, Yang Xiong and Ban Gu.
China was a great astronomer, mathematician, inventor, geographer and writer in the Eastern Han Dynasty. He successively served as Langzhong, Taishiling, Shizhong and Hejian. In his later years, he became the minister of history of the DPRK due to illness. Yu Yonghe died in the fourth year (139) at the age of 62. In the Northern Song Dynasty, it was named Bo Er of Xi.
4. Yuan Longping-Hybrid Rice.
Yuan Longping, 1930, was born in Beijing in September, and was born in Dean County, Jiujiang City, Jiangxi Province. He is an expert in hybrid rice breeding in China and a pioneer in hybrid rice research and development in China. He is known as "the father of hybrid rice in the world".
5, Edison-electric lights, movies, telegrams, telephones, phonographs, photocopiers, etc. 1000 many invention patents.
Thomas Alva Edison (1847, February11-1,10, 10/8) was born in Milan, Ohio. Inventors and entrepreneurs.