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Li Zhengdao Visual China data map

On August 4, 2024 local time, the famous Chinese physicist and Nobel Prize winner in Physics, Tsung-Dao Lee, passed away in the United States at the age of 98.

In 1957, 31-year-old Tsung-Dao Lee won the Nobel Prize in Physics for his discovery of the law of parity non-conservation in weak interactions with Chen-Ning Yang. In addition, Tsung-Dao Lee has made many contributions in quantum field theory, nuclear physics, statistical mechanics, fluid mechanics, etc.

According to previous reports by The Paper, on November 20, 2021, Tsung-Dao Lee celebrated his 95th birthday. On that day, a seminar on Tsung-Dao Lee's academic thoughts and the practice of Chinese science educators was held in the Tsung-Dao Lee Auditorium of Shanghai Jiao Tong University.

"Time flies by. In the past few decades, I have been fortunate to work with many units and friends to do my best for the motherland. Before I knew it, I am already 95 years old. I feel that I am still in good health... I would like to take this opportunity to report my safety to everyone." Li Zhengdao, who was on the other side of the ocean, did not attend the event in person. He asked his eldest son, Li Zhongqing, the director of the Li Zhengdao Library, to read the letter he wrote to the event on his behalf. Li Zhengdao said in the letter that he was in good health and took daily walks to strengthen his body. In his spare time, he liked to copy or sketch. Hearing that his relatives and friends gathered at the event, he missed everyone and the past time very much. Li Zhengdao talked about the motherland becoming more and more powerful, and the development of scientific education was changing with each passing day. From the junior class to the CUSPEA scholars, the political scholars, and the Li Zhengdao physics class, students continued to prove themselves with hard work and achievements. The practice of integrating science and art has also expanded various possibilities and spawned many fine products. Although he is away from home, he is still concerned about his hometown and friends as always.

On October 10, 2021, at the academic report meeting "Celebrating the 95th Birthday of Mr. Tsung-Dao Lee" held by the High Energy Physics Branch of the Chinese Physical Society, Tsung-Dao Lee also sent a message: "The motherland's high-energy basic physics research has achieved a series of important internationally influential results in the past 30 years. Looking back on the development history of BEPC (Beijing Electron-Positron Collider), we can see that the successful construction and operation of BEPC, BES (Beijing Spectrometer), Daya Bay Neutrino Experiment and High Altitude Cosmic Ray Observatory (LHAASO) have laid a good foundation for China's basic research in high-energy physics. It not only brought the motherland's basic research into the ranks of international competition, but also cultivated a large number of key talents, and promoted the rapid development of basic research in high-energy physics in multiple frontier directions."

Li Zhengdao said that basic research is the embodiment of a country's comprehensive strength and the foundation of a country. "Comrade Xiaoping clearly pointed out at the beginning that 'a country like China must have a place in the field of high technology', and basic research 'reflects the ability of a nation and is also a sign of the prosperity of a nation and a country'. I sincerely hope that the country's high-energy physics cause will prosper and develop healthily, and that Chinese scientists will make more world-class original achievements."