signed DAYU，inscribed，and with two seal of the artist ink and color on paper，hanging scroll Chen Dayu (1912–2001) was a painter, calligrapher, seal carver, and teacher. He became a professor of art at the Nanjing Institute of Art in 1950.At the same time, Chen began a career as a flower and bird painter, calligrapher, and seal carver, but is best known for his numerous depictions of roosters.