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                             When he returned to China  in 1920, Yan successfully lobbied to become head of the Department of Popular Education, a new autonomous  department in Beijing.  In 1922, he organized to set up more than 600 schools for popular education in Changsha, capital of Hunan Province.  He reduced the Chinese vocabulary of forty thousand characters to the 1,300  most common characters and published four readers, which cost twelve cents  total. With this handbook, Yan started the four month-span education with the  purpose of getting rid of illiteracy. There were more than 50,000 beneficiary  students. Mao Zedong was one of the 100 voluntary teachers at that time. After  1923, Yan continued this activity in Yantai, Nanjing,  Hangzhou, Jiaxing and etc. in Jun of 1925, as  the representative of Chinese folk; Yan participated in                               | 
                         
                        
                          National Assembly along  Pacific Coast  in Honolulu, in  which he delivered a speech  
                            about popular education.  | 
                           
                        
                        
                             In  the autumn of 1929, Yan launched a pilot project of  popular education in Dingxian (Ting Hsien), in Hebei province. His wife, Alice Huie, was  the second daughter of Pastor Huie Kin who graduated with a degree in physical  education from Columbia's  Teachers College. They had three sons and two daughters. Yan recruited  American-trained Chinese graduates to live in Dingxian despite offering small  salaries. Yan came to be a teacher in Zhaichengcun Primary School.  Alice, an American born Chinese, was quite unfamiliar with the poor life in  Dingxian at the beginning, but she supported Yan’s business. She organized family union to introduce health knowledge every week.  
                                 The  pilot project began in Zhaichengcun, and then became popular in the whole  county. In ten years, Yan made great contribution in building popular education  schools, setting up credit cooperatives, editing popular magazines, and etc.  his work addressed four interlocking problems of  village life: poverty, disease, ignorance and misgovernment. When the war broke out with Japan in 1937, Dingxian was lost  within a few months. Yan’s Popular Education Association was transferred to  Xuchang, Suiping, Wuhan and Changsha. When China's  "rice bowl" in Hunan  became threatened, the provincial government invited Yan to organize a  resistance movement. Finally, it was located in Xiemachang, Chongqing. In 1940, with the help of Zhang  Zhi-zhong and Lu Zuo-fu, Yan  
                              set up Rural Reconstruction College.  In 1945, it was renamed Private   China Rural   Reconstruction College,  which had four majors, including education, agriculture, water conservancy and  society. Famous scholars, such as Sun Fu-guo, Hu Yan-qing and Xiong Fo-xi were  invited to be teachers there.  
                                 Yan, the principal of Private China   Rural Reconstruction   College, applied the policy of  combining theory and practice. He advocated the spirit of democracy, solidarity, mutual assistance and plain life. He strongly  resisted Kuomintang’s request of setting Guidance Teacher. Students were  encouraged to organize association, lecture competition, academic discussion  and etc. the teachers were encouraged to teach economics, philosophy and other  social courses. In the Grand Arrest in 1947, there were 34 teachers catching  into jails. Yan tried his best to save those teachers. At that time, the  college was claimed as the “pure land of democracy”. | 
                         
                       
                      
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