Core Viewpoint - The article highlights the contributions of Chen Hesheng, a prominent particle physicist in China, who has been instrumental in developing major scientific infrastructure, particularly in the field of cancer treatment using neutron capture therapy [1][3][19]. Group 1: Contributions to Cancer Treatment - Chen Hesheng has pioneered the use of boron neutron capture therapy, which is a new method for treating tumors that is more convenient and cost-effective for patients [3][5]. - The Chinese Spallation Neutron Source, under Chen's leadership, is recognized for its potential in cancer treatment, emphasizing the integration of scientific research and medical applications [3][15]. Group 2: Development of Scientific Infrastructure - The Chinese Spallation Neutron Source is the first of its kind in China and the fourth in the world, serving as a "super microscope" for exploring the microscopic world [15]. - This facility has completed over 2,000 experimental projects and has more than 8,000 registered users, providing critical support for national strategic needs and fundamental research [15][19]. Group 3: Personal Journey and Legacy - Chen Hesheng's journey began in 1978 when he first engaged with particle physics, leading to significant advancements in China's high-energy physics capabilities [11][19]. - Despite being nearly 80 years old, Chen continues to work actively in the field, mentoring young researchers and contributing to ongoing projects, viewing the Spallation Neutron Source as his new home [23][24].