A Chinese Scroll Painting Signed Wu Changshuo 138 x 67cm Zhang Zhengxue (1897-1986), courtesy name/style name Changbo, was born in Haining, Zhejiang. He's known as a professor of Law and a famous collector in Shanghai, China. His substantial and exclusive collection includes many stunning calligraphy and paintings. His collections of Jin Nong, a Qing Dynasty painter, is exhibited in the Forbidden City museum. He also maintained good connections with many famous Shanghai collectors including Wu Hufan, Zhang Congyu, Wang Jiqian, etc.