杨振宁一生的三个时刻，别具启示意义

Core Insights - The article highlights the life and contributions of Yang Zhenning, a renowned physicist and Nobel laureate, who passed away at the age of 103, emphasizing his impact on China's scientific and educational development [1][2][3] Group 1: Key Contributions - Yang Zhenning, along with Li Zhengdao, proposed the revolutionary idea of "non-conservation of parity in weak interactions," which earned them the Nobel Prize in Physics in 1957, marking a significant milestone as the first Nobel Prize awarded to a Chinese individual [1] - He served as the honorary director of Tsinghua University's Institute for Advanced Study from 1997 and became a professor in 1999, playing a crucial role in promoting academic exchanges between China and the United States [2] - Yang Zhenning renounced his U.S. citizenship in 2015 and became an academician of the Chinese Academy of Sciences, symbolizing a significant commitment to China's scientific community [3] Group 2: Educational and Talent Development - Yang's return to China in the 1990s inspired a wave of overseas Chinese scholars to visit China, highlighting the importance of national talent policies and environments in retaining high-level talent [2] - His life reflects three key phases in China's educational and talent development: the initial phase post-1949, the rapid development phase post-reform and opening-up, and the modernization phase of education and science [3] - Yang Zhenning's predictions about the emergence of Nobel laureates in China underscore the need for continued investment in basic sciences and the creation of a conducive environment for scientific research [3]