Second, Shen Kuo (103 1 year-1095), whose real name is Father Meng Xi. A native of Qiantang County, Hangzhou, Zhejiang Province, he was a politician, geographer and scientist in the Northern Song Dynasty. Shen Kuo was born into an official family and traveled around with his father in his childhood. In the eighth year of Jiayou (1063), he was a scholar, and was awarded the title of Yangzhou viceroy to join the army. Zong Shen participated in Xining political reform and was highly valued by Wang Anshi. He has served as Prince Zhongyun, torture room, supervisor of the Ministry of Heaven, review of the history museum and three ambassadors. In the third year of Yuanfeng (1080), Shen Kuo went to Yanzhou, served as an envoy, and was stationed in the border to fight against Xixia. Later, he was demoted for participating in the battle of Yongle City. In his later years, he moved to Runzhou and lived in seclusion in Meng Xi Park. Shen Kuo devoted himself to scientific research all his life, and made profound attainments and outstanding achievements in many disciplines. He is known as "the most outstanding figure in the whole history of science in China". His masterpiece On Meng Xi is rich in content and plays an important role in the history of world culture.
Third, Xu Xiake
Xu Xiake (1586—164 1 year), known as Hongzu, was named Xiake. Jiangyin (now Jiangyin City, Jiangsu Province) was born in Zhili, Mingnan. A geographer, traveler and writer in Ming Dynasty, and the author of the famous geographical work "Xu Xiake's Travels", he was called "a strange man through the ages". Xu Xiake traveled all over the country, covering 2/kloc-0 provinces, municipalities and autonomous regions. "What man can't reach, what man doesn't know", wherever he goes, he explores seclusion, seeks secrets, and keeps travel notes to record observed phenomena, humanities, geography, animals and plants. After 30 years' investigation, he wrote a 600,000-word Travels of Xu Xiake, which opened up a new direction for geography to systematically observe and describe nature. It is not only a geographical masterpiece that systematically inspects the landform and geology of the motherland, but also a tourism masterpiece that depicts China's scenic resources, and it is also a literary masterpiece with beautiful words, which has far-reaching influence at home and abroad.
Fourth, Pei Xiu
(223-27 1), Ji Yan, from Hedong, Wei and Jin Dynasties (now wenxi county, Shanxi). Outstanding cartographer in the history of our country. Needham called Pei Xiu "the father of scientific cartography in China", just like Ptolemy, an ancient Greek cartographer.