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Who is the most famous scientist in contemporary China?
1, Zhang Heng (AD 78- 139), born in Nanyang (now Shiqiaoxia Village, Nanyang City, Henan Province). Zhang Heng observed and recorded 2500 stars, created the world's first celestial globe with air leakage, the first instrument to detect earthquakes-the seismograph with waiting wind, and also made.

2. Zhang Zhongjing (A.D. 150-2 19) was a famous doctor. Nie Yang, a native of Nanyang County in the Eastern Han Dynasty (now Gedong Town, Dengxian County, Henan Province), wrote sixteen volumes of Treatise on Febrile Diseases, and later physicians called Zhang Zhongjing a "medical sage".

3. Zu Chongzhi (429-500) was born in Fanyangxun, Wen Yuan (now Laishui, Hebei). Outstanding mathematicians, astronomers and machinery manufacturers. For the first time in the history of world mathematics, he calculated the value of pi (л) to seven decimal places, that is, between 3 and 3. He put forward the earliest approximate rate of 22/7 and the secret rate of 355/ 1 13 in the world, which was more than a thousand years earlier than that in Europe, and calculated the length of a tropical year as 365. God, the error is only about 50 seconds.

4. Li Daoyuan (446 or 472-527) was a geographer and essayist in the Northern Wei Dynasty. Good at words. John young (now Zhuoxian County, Hebei Province) completed the geographical masterpiece Shui Jing Zhu. This 40-volume book * * * describes the origin of the 1252 river, its flowing area, distribution of branch canals, and changes of ancient rivers. It also records a large number of farmland water conservancy construction projects, battlements, customs and other information.

5. Sun Simiao (58 1-682 years old,10/year old) was a famous doctor in Sui and Tang Dynasties. He is from Sunjiayuan Village, Yao County, Shaanxi Province. When he was a teenager, he wrote an outstanding medical book, Preparing for Emergency. /kloc-When I was 0/00 years old, I finished the book "A Thousand Daughters and Wings".

6. Shen Kuo (1033- 1097) was born in Qiantang, Hangzhou, and was a scientist in the Northern Song Dynasty. Shen Kuo's scientific contributions cover astronomy, mathematics, physics, geology, meteorology, biology, medicine and other fields. Mathematically, he invented "gap product" and "convergence", which was more than 500 years earlier than foreign formulas for calculating higher-order arithmetic progression, and "convergence" laid the foundation for the development of China's ball science. The existence of geomagnetic declination proposed by Shen Kuo was 400 years earlier than the "first discovery" of Columbus 1492 crossing the Atlantic Ocean.

7. Guo Shoujing (1231-1316) is a native of Xingtai, Shunde. Astronomers and water conservancy experts in Yuan Dynasty. Nearly 20 kinds of astronomical instruments, such as simple instrument, altimeter, upright instrument and orthographic scheme, were made successively, and they were also in the leading position in the world at that time. The observation accuracy was greatly improved, which had a far-reaching impact on astronomical research in Yuan and Ming Dynasties. Guo Shoujing led a nationwide astronomical survey. According to the observation results, Guo Shoujing made an accurate and precise new calendar "Chronograph" in March 1280. This new calendar sets a year to 365.2425 days, which is only 26 seconds shorter than the actual time when the earth moves around the sun.

8. Li Shizhen (15 18- 1593) was a physician and pharmacist in the Ming Dynasty. The word Dongbi,No. Linhu, is from qi zhou (now Qichun, Hubei). Twenty-seven years later (1578), Compendium of Materia Medica was written.

9. Xu Guangqi (1562- 1633) was given the prefix "Hu Xuanshi Wen Ding". Shanghai (now Shanghai) Xujiahui was a famous scientist in the late Ming Dynasty. He was the first to introduce advanced European scientific knowledge, especially astronomy, to China. He studied astronomy, calendar, water conservancy, surveying, mathematics and agriculture all his life. He was an early contact and accommodator of western culture. His works, such as The Complete Book of Agricultural Administration, have been translated into the almanac of Chongzhen and the Elements of Geometry, which can be described as pioneers of modern science in China.

10, born in Song Dynasty (A.D. 1587—— about 1666), Fengxin Beixiang (now Songbu Township). China was a famous scientist and poet in Ming Dynasty. He is the author of Heavenly Creations. . This book discusses the technology of almost all industrial and agricultural sectors, and reflects many advanced production technologies and experiences in China at that time. It is of great value to the study of science and technology and social production in Ming Dynasty, and is called "technical encyclopedia" by European scholars.