Li Da (1890— 1966), born in Yongzhou, Hunan, is a Marxist theorist. 19 19 After the May 4th Movement, I began to study and publicize Marxism. /kloc-in the summer of 0/920, Chen Duxiu and others initiated the establishment of the Shanghai China * * * early organization, edited the * * * Monthly, and participated in the editing of New Youth. 1921February, acting secretary of China * * * early organization. 1921July attended the first national congress of China * * * and was elected as the propaganda minister of C.O., becoming the main founder of China * * * and one of the early * * *. 1921August to 1925 May as a member of the China Trade Union Secretariat. 1921September, People's Publishing House, the first publishing institution in China, was established to publish Marxist-Leninist works and revolutionary series. 1922 July, attended the second congress of China. In the same year, at the invitation of Mao Zedong, 1 1 went to Changsha as the president of Hunan self-study university and edited Journal of Self-study University New Era. After the failure of the Great Revolution, he adhered to the theoretical position of Marxism-Leninism in the sinister environment of reactionary Kuomintang rule and became an accomplished Marxist theorist. 1937 In May, the Outline of Sociology was published in Shanghai, which was praised by Mao Zedong as "the first textbook of Marxist philosophy written by China people themselves" and called on the senior cadres of the Party to study this book. After the founding of the People's Republic of China, he served as president of Wuhan University and president of China Philosophy Society for a long time, and made many contributions to the spread, application and development of Marxism in China. Mao Zedong once praised him as Lu Xun in the theoretical circle. 1966 died in Wuhan in August.