Fifty-nine years ago today, on August 24, 1966 (July 9, 1966 in the lunar calendar), Li Da, one of the founders of the Communist Party of China, passed away. Li Da Li Da (1890-1966), surnamed Heming, was a native of Lingling, Hunan. He was a philosopher who first spread Marxism in China and was one of the founders of the Communist Party of China. He studied in Japan in 1913. Published translations and introduced Marxism in China. In 1920, he co-founded the Shanghai Communist Group with Chen Duxiu and edited the monthly magazine "Communist Party". On the eve of the founding of the party, he published articles criticizing anti-Marxist ideological trends and more accurately expounded a series of major issues such as the dictatorship of the proletariat. In 1921, he attended the first National Congress of the Communist Party of China and was elected as the propaganda director of After that, he served as a senior at Hunan Self-study University and edited the magazine "New Era". In 1923, he had a heated debate with Chen Duxiu on the policy of cooperation between the Kuomintang and the Communist Party, and then left the party organization. During the Northern Expedition, he served as the chairperson of the editorial and examination committee of the General Political Department of the National Revolutionary Army, and published the book "Modern Sociology". After the failure of the Great Revolution, he served as a university professor in the White District for a long time, insisted on propagating Marxism, and wrote works such as "Outline of Sociology". He rejoined the Communist Party of China in December 1949. He served as the president of Hunan University, the president of Wuhan University, and a member of the Department of Philosophy and Social Sciences of the Chinese Academy of Sciences. He was elected as the first president of the Chinese Philosophical Society. He was elected as a He has also done important pioneering work in the fields of economics, monetary science, law, and historical theory. His works also include "Explanation", "Explanation", and editor-in-chief "Outline of Materialist Dialectics". His important treatises are compiled into "Li Dawen Collection".