signed ZHENGWUCHANG，inscribed，and with two seals of the artist dated Wuzi year（1948） ink and color on paper, hanging scroll Like many of his fellow 20th century Chinese painters, Zheng Wuchang was also a teacher, art historian and prolific author. Writing dedicated academic studies on Shitao's landscapes, Yangzhou school artists, and 19th century artist's monographs, his most well-known treatise is Zhongguo Huaxue quanshi an extensive overview of Chinese artists and their practice. His promotion of Chinese art was not limited to the past, as a founding member of the Mifeng Huashi (Bee Painting Society), he also sought to promote traditional Chinese painting in 1930's Shanghai.