Hu Jintao denounced during the Cultural Revolution, an event that (together with his relatively humble origins) apparently had a deep effect upon Hu, who diligently tried to clear his father's name. He joined the Communist Party of China (CPC) in April 1964 and began to work as an engineer in July 1965 after he graduated from the Water Conservancy Engineering Department at Tsinghua University, where he majored in the study of hub hydropower stations. During his time at Tsinghua, he met his wife Liu Yongqing. In 1968, Hu volunteered for his service in Gansu and worked on the construction of Liujiaxia Hydroelectric
Zeng Qinghong Ju, Li Changchun, Luo Gan, and Zeng himself, were linked to Jiang's "Shanghai Clique" and considered his allies. As Jiang Zemin reached the end of his term, observers speculated that Jiang may well have preferred Zeng Qinghong over Hu Jintao as his successor. But Hu prevailed in succeeding Jiang, ostensibly because Hu was 'handpicked' by former leader Deng Xiaoping. Zeng became Vice-President in March 2003 at the National People's Congress held that year. During the SARS outbreak, Hu and Premier Wen Jiabao took very strong and assertive action while Zeng and other Jiang loyalists receded to the background. Zeng was