Zhang Guotao, or Chang Kuo-tao, was a founding member of the Chinese Communist Party (CCP) and rival to Mao Zedong. During the 1920s he studied in the Soviet Union and became a key contact with the Comintern, organizing the CCP labor movement in the United Front with the Kuomintang. From 1931 to 1932, after the Party had been driven from the cities, Zhang was placed in charge of the Eyuwan Soviet. When his armies were driven from the region, he joined the Long March but lost a contentious struggle for party leadership to Mao Zedong. Zhang's armies then took a different route from Mao's and were badly beaten by local Muslim Ma clique forces in Gansu. When his depleted forces finally arrived to join Mao in Yan'an, Zhang continued his losing challenge to Mao, and left the party in 1938. Zhang eventually retired to Canada, in 1968. He became a Christian shortly before his death in Scarborough, Ontario, in 1979. His memoirs provide valuable and vivid information on his life and party history.

Mao Zedong was a Chinese politician, Marxist theorist, military strategist, poet, and revolutionary who was the founder of the People's Republic of China (PRC). He led the country from its establishment in 1949 until his death in 1976, while also serving as the chairman of the Chinese Communist Party during that time. His theories, military strategies and policies are known as Maoism.