署名文章：学耀星汉，心怀家国——深切缅怀杨振宁先生

Core Viewpoint - The passing of Yang Zhenning, a renowned physicist and Nobel laureate, marks a significant loss for both China and the global scientific community, as he made monumental contributions to modern physics and education [1][10]. Group 1: Contributions to Physics - Yang Zhenning co-developed the Yang-Mills theory, which is foundational to the standard model of particle physics, comparable to Maxwell's equations and Einstein's general relativity [1]. - He introduced the revolutionary concept of parity violation in weak interactions, earning the Nobel Prize in Physics in 1957, becoming one of the first Chinese Nobel laureates [1]. - His work on the Yang-Baxter equation opened new avenues in statistical physics and quantum groups, significantly impacting various fields of physics [1]. Group 2: Academic Journey and Influence - Yang Zhenning's academic journey began at Tsinghua University, where he was deeply influenced by a rich academic environment, later excelling at Southwest Associated University and Princeton [2]. - He established the Tsinghua University Institute for Advanced Study in 1997, significantly contributing to talent recruitment and discipline development in Chinese higher education [3][7]. - Yang Zhenning emphasized the importance of nurturing independent thinking in students, advocating for a broad and practical approach to education [7][8]. Group 3: National Contributions and Legacy - He played a pivotal role in promoting scientific exchanges between China and the United States, particularly during the normalization of relations in the 1970s [6][7]. - Yang Zhenning provided critical insights into China's scientific policies and major projects, influencing the development of theoretical physics in various Chinese universities [7]. - His dedication to education and talent cultivation has left a lasting impact, with many scholars benefiting from his initiatives and support [8][9]. Group 4: Personal Philosophy and Values - Yang Zhenning embodied a spirit of humility and dedication, often emphasizing the importance of sincerity and hard work in scientific research [9]. - He maintained a simple lifestyle and was known for his egalitarian approach, treating everyone with respect regardless of their status [9]. - His life and work reflect a deep commitment to his homeland, with a strong desire to contribute to China's scientific and educational advancement [5][6].