1. Zhang Heng: a scientist and writer of the Eastern Han Dynasty, a native of Nanyang, Henan. Zhang Heng changed the "covering the sky theory" in astronomy and proposed the "Huntian theory", drew star charts, invented the "armillary sphere", "seismograph" and so on.
2. Zhang Zhongjing: a medical scientist of the Eastern Han Dynasty and a native of Zhenping, Henan. He diligently studied ancient teachings and learned from many prescriptions, and wrote "Treatise on Febrile and Miscellaneous Diseases" to benefit the people and be respected as a medical sage by future generations.
3. Zhang Liang: Advisor of the Western Han Dynasty. A minister in the early Han Dynasty, a native of Chengfu (now Bo County, Anhui Province), and an important counselor of Liu Bang. He, Xiao He, Han Xin and others assisted Liu Bang in establishing the Western Han Dynasty and granted him the title of Marquis. Liu Bang said that he "strategized and won decisively thousands of miles away."
4. Zhang Fei: courtesy name Jide, a native of Yan, a famous general during the Three Kingdoms period. He was one of the Five Tiger Generals of the Shu Kingdom, and his reputation as a war commander was astonishing. At that time, it was said that he and Liu Bei and Guan Yu were sworn brothers in Taoyuan, which was known as the Taoyuan Three Brothers and was passed down by later generations.
5. Zhang Yi: a famous political activist, military strategist and diplomat of the Wei State during the Warring States Period. The alliance strategy strengthened Qin's power and accelerated China's unification process.
6. Zhang Xueliang, nicknamed Hanqing, nicknamed Yi'an, nicknamed Shuangxi and Xiaoliuzi, was a general of the National Revolutionary Army and a warlord. The eldest son of the leader Zhang Zuolin, a famous patriotic general in modern China
7. Zhang Xu: A great calligrapher in the Tang Dynasty, a native of Suzhou, Jiangsu Province. Zhang Xu was addicted to alcohol. Whenever he got drunk, he would run away shouting and then start writing. It is so unique and winding that it is known as "Grass Saint"
8. Zhang Zhidong: named Xiaoda, nicknamed Xiangtao, Xiangyan, Taigong, Wujing Jushi, and Bao in his later years. Bing. He was born in Nanpi, Hebei Province, and was known as Zhang Xiangshuai, posthumously named Wenxiang. He was a major founder of China's national industry and heavy industry.
9. Zhang Sanfeng: Commonly known as Zhang Junbao, also known as Zhang Tong, Peng Jun, Quanyi, Xuanhua, Sanqian, Sanfeng, etc., also known as Sanfengzi, Xuanxuanzi, and known as "Yinxian" in the world; because of his usual unkempt appearance, he is also known as "Zhang Suluo" claims to be a descendant of Zhang Tianshi from Longhu Mountain.
10. Zhang Sui: an astronomer of the Tang Dynasty, from Nanle, Henan. Zhang Sui was the first person in the world to measure the meridian. /p>