1, Rolling
This is a very famous scientist in the Eastern Han Dynasty. In fact, he is not only an astronomer, mathematician, inventor, geographer, but also a writer. He invented the armillary sphere and the seismograph, so he was called "Kesheng" by later generations.
2. Zhang Renyuan
He was an all-rounder in the Tang Dynasty. He fought against the Turks for many times and established the system of "three surrender cities", which greatly weakened the national strength of the post-Turkic khanate. Later, in his later years, Zhang Renyuan entered the DPRK as a prime minister with the highest achievements.
3. Zhang Zai
As a famous scholar in the Northern Song Dynasty, he was also known as the Fifth Son of the Northern Song Dynasty with Zhou Dunyi, Shu Yong, Cheng Hao and Cheng Yi. He left many famous sentences through the ages. As we all know, "make a heart for heaven and earth, make a life for the people, link the past with the future, and be peaceful for all generations" is his famous saying.
4. Zhang Jian
As the top scholar in the late Qing Dynasty, after the demise of the Qing Dynasty, he was determined to save the country by industry. Therefore, he founded the first specialized textile school in China. He opened more than 20 schools in his life, the most famous of which should be Shanghai Ocean University.
5. Zhang Daqian
I believe everyone knows this. After all, this is one of the most famous masters of Chinese painting in modern times. He made outstanding achievements in landscape painting and was praised as "the pen of the East" by western art circles. The above is a story about the famous Zhang in history.