Mao Tse-Tung was a Chinese revolutionary, political theorist and Communist leader. He led the People's Republic of China (PRC) from its establishment in 1949 until his death in 1976.Mao Tse-Tung was a Chinese revolutionary, political theorist and Communist leader. He led the People's Republic of China (PRC) from its establishment in 1949 until his death in 1976.