告别杨振宁：我的人生走了一个圈

Core Viewpoint - The article reflects on the life and contributions of Yang Zhenning, a prominent physicist, highlighting his academic achievements, friendships, and personal relationships, ultimately portraying him as a figure who sought order in the universe while maintaining a sense of humanity in his personal life [5][20]. Academic Contributions - Yang Zhenning was born in 1922 in Hefei, Anhui, and faced significant challenges during his youth, including fleeing from war [7]. - He studied under renowned physicist Fermi in the United States and co-developed the "parity violation" theory with Li Zhengdao in 1956, which challenged existing beliefs in physics and earned them the Nobel Prize in 1957 [8]. - Yang also contributed to the "Yang-Mills theory," which became a cornerstone of modern particle physics, influencing future Nobel Prize discoveries [8]. - He played a crucial role in advancing China's physics research and was instrumental in establishing international collaborations in high-energy and condensed matter physics [8]. Friendships and Collaborations - Yang's collaboration with Li Zhengdao is noted as a significant partnership in the history of science, leading to their joint Nobel Prize win [10]. - Despite their initial close relationship, differences in ideology and disputes over authorship led to a rift between Yang and Li, marking a notable shift in their friendship [12]. - Throughout his career, Yang interacted with many prominent scientists, including Einstein and Dyson, who recognized his contributions to physics [14]. Personal Life and Relationships - Yang's personal life included a significant relationship with Du Zhi Li, whom he met serendipitously in 1949, leading to their marriage in 1950 [16]. - After Du's passing in 2003, Yang married Weng Fan in 2004, which attracted public attention due to their age difference of 54 years [17]. - Yang's relationship with Weng was characterized by warmth and shared experiences, showcasing a softer side of his personality [18].