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On the other side of the ocean in San Francisco, Dr. Tsung-Dao Lee said goodbye to this world peacefully in the company of family and friends, the 98-year-old physicist ended his glorious and fulfilling life on August 4, local time.
Figure l Portrait of Dr. Tsung-Dao Lee in his later years
This afternoon, after the news was transmitted back to China through his relatives and friends, major media reported it one after another, and now it has been on the hot search of major platforms.
People have recalled the world's first Chinese Nobel laureate in physics, and recalled his great contributions and influence to the physics community.
。 All the events were mixed together to finally become the real and complete Lee Tsung-do.
On May 30, 1974, Chairman Mao met with Lee Tsung-dao
First, there is the issue of Lee Tsung-dao's nationality – there is no doubt that Lee Tsung-dao has been an authentic United States citizen from the moment he became naturalized.
The choice of nationality is purely a matter of individual freedom, and we can have different views, but there is really no need to be critical.
Today, we will talk about Dr. Tsung-Dao Lee from an objective point of view.
Tsung-Dao Lee's life is full of legends and achievements. He was born in Shanghai, China, and his ancestral home is Suzhou, Jiangsu, but his path to education has not been smooth.
During the Anti-Japanese War, he studied at Zhejiang University and Southwest Associated University.
Tsung-Dao Lee in his youth can be described as a talent
At Southwest Associated University, he met the first important mentor in his life - Wu Dayou. Wu Dayou not only taught him a solid foundation in physics, but also gave him endless encouragement and support spiritually.
Wu often told his students that scientific research requires the courage to innovate and challenge tradition, and this became a lifelong creed of Tsung-Dao Lee.
。 At the University of Chicago, he met another mentor who had a profound influence on him, Enrik · Fermi.
Fermi was a charismatic physicist who worked on the Manhattan Project and was one of the few scientific masters who had both theoretical and experimental physical abilities.
Photo: Italy-American physicist Enrique · Fermi
Instead of following the traditional teaching method to guide Lee Tsung-do, Fermi prefers to stimulate students' thinking skills through discussion and interaction.
I remember one time, when Fermi was discussing the temperature of the center of the sun with Tsung-Dao Lee, he suddenly asked, "Do you know what the temperature of the center of the sun is?" ”
Lee Tsung-dao replied without hesitation: "It's about 10 million degrees." ”
Fermi didn't respond immediately, but went on to ask, "Have you done the math yourself?" ”
This sentence stung Lee Tsung-do deeply, and he realized that he was just repeating the numbers in the book, without independent thinking and verification.
Fermi's educational philosophy emphasized independent thinking and hands-on practice, which was an avant-garde teaching method in the scientific community at the time.
Photo: Lee Tsung-dao is teaching
Under Fermi's guidance, Lee Tsung-dao not only advanced by leaps and bounds academically, but also gradually developed his own research style.
He made his mark in particle physics and received his Ph.D. from the University of Chicago in 1950.
After graduating from the University of Chicago, Lee began his career. In 1956, he became a professor at United States Colombia University, then at the Institute for Advanced Study in Princeton, and returned to Colombia University in 1964 as the Fermi Professor.
Photo: Lee Tsung-dao (middle) and Yang Zhenning (first from right)
During this time, Tsung-Dao Lee made many pioneering contributions in the field of physics, especially in the study of the law of non-conservation of cosmic symmetry in weak interactions.
However, behind the success there are also unknown hardships and challenges - around the Nobel Prize, the debate between Lee Tsung-dao and Yang Zhenning over the ranking of contributions has caused a gap between the two partners, who once worked closely together.
On October 31, 1957, Lee Tsung-dao and Yang Chen-ning won the Nobel Prize in Physics
For Lee, the essence of scientific research is truth-seeking, and the dispute over rankings seems to obscure the true significance of scientific discoveries.
This disagreement has led to a drift of distance between the two scientists, making it a regrettable story in the academic world.
Despite this, Lee never stopped exploring the frontiers of science.
In the field of weak interaction research, he has collaborated with Yang Zhenning and Huang Kesun and others to make pioneering contributions to many-body theory.
Photo: Lee Tsung-dao and Yang Chen-ning
In the 70s and 80s, Tsung-Dao Lee founded the non-topological soliton theory and the hadron model, and proposed the concepts of "Lie model", "KLN theorem" and "anomalous nuclear state" in quantum field theory.
Lee's passion for science is also evident in his teaching.
He knew that he had benefited greatly from Fermi's tutelage, so he worked hard to pass on this educational method after becoming a mentor himself.
He often told his students, "In the world of science, there are no shortcuts. What you have to do is to question, think, and then find the answer through your own efforts. ”
This philosophy has influenced every student he has supervised, and it has also invisibly promoted the spread of the scientific spirit.
On March 26, 1979, Tsung-Dao Lee visited Shanghai Jiao Tong University
Tsung-Dao Lee has not only made outstanding academic achievements, but he has also made important contributions to scientific exchanges between China and the United States.
He believes that science knows no borders and that only through cooperation and sharing can greater breakthroughs be achieved.
In order to encourage more Chinese young people to devote themselves to scientific research, he also established the "Tsung-Dao Lee Scholarship" to help more young students embark on the path of scientific exploration.
Picture: Qian Sanqiang and Lee Tsung-dao
In life, Lee Tsung-do is a humble and humorous person, who often uses his experience to encourage young people to keep pursuing their dreams.
He believes that everyone has the potential to create something great – with enough courage and perseverance.
His beliefs and practices have profoundly influenced countless scientists and students.
。
However, his legacy of science and education will continue to inspire future generations.
Photo: Lee Tsung-do with students
In the future of scientific exploration, the spirit of Tsung-Dao Lee will always accompany countless scientific researchers and inspire them to keep moving forward.
By looking back on the life of Tsung-Dao Lee, we not only see a scientist's infinite pursuit of knowledge, but also witness his unremitting devotion to education.
He has spent his life proving that the charm of science lies in the constant exploration of the unknown, and the secret of success lies in the courage to meet challenges.
Dr. Tsung-Dao Lee's life was a journey of unremitting exploration, and his spirit and contributions will forever be etched in the history of physics.
Tsung-Dao Lee in his speech
Lee Tsung-dao has written a brilliant chapter in science with his life, and conveyed the educational concept of selfless dedication with his actions.
His passing does not mean the end, but the beginning of a new era – and among the countless scientists who have inherited his legacy, Tsung-Dao Lee's legacy will continue to be an immortal beacon that inspires future generations to pursue scientific truth.
The Si people have passed away, and there is only remembrance.
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Reference sources
The Paper 2024-08-05 16:03 "Wang Chuilin: Nobel Laureate in Physics Tsung-Dao Lee Passes Away at the Age of 98"
Chao News Client 2024-08-05 16:43 "Condolences! Death of Lee Tsung-do
The Paper 2016-11-18 14:44 "The Twists and Turns of the Theory of Non-Conservation of Universal Symmetry in China"
LIN Xi. Professor Lee Tsung-dao on Reading· Governing Learning· Educating People[J].Reading,1979(05):111-117.
Video of Tsung-Dao Lee's lecture on returning to China in 1979, Special Collection of Tsung-Dao Lee Library, Plate No. 545