Hé Xiaozheng

Hé Xiaozheng is a Chinese historian and writer. He is best known for his work on the history of Chinese science and technology, and has written several books on the subject. Hé Xiaozheng has also been involved in various other fields, including education and journalism. He is known for his expertise on the history of Chinese science and technology, and has been praised for his insightful and engaging writing style.