61 years ago today, on May 1, 1964 (March 20, 1964 lunar calendar), the philosopher and master of Sinology Tang Yongtong passed away. Tang Yongtong (August 4, 1893 - May 1, 1964), character Xiyu, from Huangmei County, Hubei Province, was born in Weiyuan County, Gansu Province. A famous master of Sinology in modern China. The first academician of the Academia Sinica.? Tang Yongtong's father Tang Lin, character Yusan, was a scholar of Gengyin Enke in the 16th year of Guangxu. He dedicated himself to Sinology all his life, which had a great influence on Tang Yongtong. In 1908, he studied at Beijing Shuntian Academy (now Beijing No. 4 Middle School) and received a new type of education. He entered Tsinghua School in 1911 and graduated from Tsinghua School in 1916. In 1918, Tang Yongtong studied in the United States and obtained a master's degree at Harvard University. During his time at Harvard University, he was called the three heroes of Harvard together with Chen Yinke and Wu Mi due to his outstanding talents. In 1922, he returned to China and taught in the Department of Philosophy of National Southeast University (after 1927, it was renamed National Central University). In 1925, he served as the head of the department. In 1926, he was transferred to the Department of Philosophy of Nankai University due to a wave of Dongda University. In 1927, he returned to the Department of Philosophy of Central University (renamed Nanjing University in 1949 and resumed in Taiwan in 1962), where he served as a professor and head of the department. From 1931 to 1931, he taught at the Department of Philosophy of Peking University and served as the head of the department since 1934; in 1938, he served as the head of the Department of Philosophy and Psychological Education of Southwest United University, which was involved in the formation of Peking University, and the director of the Institute of Liberal Arts of Peking University. In 1945, he served as the dean of the School of Literature of Southwest United University; in 1946, he served as the dean of the School of Literature of Peking University; in 1948, he was elected as the first academician of the Academia Sinica; in January 1949, he was elected as the chairperson of the Peking University Council (president); in 1955, he was elected as a member of the Department of Philosophy and Social Sciences of the Chinese Academy of Sciences (academician). After October 1951, he served as the vice president of Peking University until his death in 1964. Mr. Tang Yongtong's combing of the history of Chinese Buddhism and the excavation of Wei and Jin metaphysics have opened up difficulties for the establishment of Chinese cultural history and Chinese philosophy history. He has been widely respected by scholars of Sinology and Buddhism at home and abroad. His representative works "History of Buddhism in the Han, Wei and Jin Dynasties and Northern and Southern Dynasties" and "Wei and Jin Metaphysics Essays" still have very high academic value, and many of the arguments in the book are regarded as unpublished. Mr. self-proclaimed "he inherited court training from a young age, and read the B section early". His love for Buddhist culture is not unrelated to the strong religious atmosphere of his hometown. Important works: "History of Buddhism in the Han, Wei and Jin Dynasties and Northern and Southern Dynasties", "Neo-Confucianism, Metaphysics, Buddhism", "Wei and Jin Metaphysics Essays", "Sui and Tang Dynasties Buddhist History", "A Brief