Notable 20th-century players and teachers include Wang Xunzhi (, 1899–1972), who popularized the Wulin "zheng" school based in Hangzhou, Zhejiang; Lou Shuhua, who rearranged a traditional "guzheng" piece and named it "Yu Zhou Chang Wan"; Liang Tsai-Ping (1911–2000), who edited the first "guzheng" manual ("Nizheng Pu") in 1938; Cao Dongfu (1898–1970), from Henan; Gao Zicheng (born 1918) and Zhao Yuzhai (born 1924), both from Shandong; Su Wenxian (1907–1971); Guo Ying (born 1914) and Lin Maogen (born 1929), both from Chaozhou; the Hakka Luo Jiuxiang (1902–1978) and Cao Guifen and Cao Zheng (, 1920–1998), both of whom trained in the Henan school. The Cao family of Henan are known as masters of the "guzheng".