我的祖父张树芳先生早年是北京著名的篆刻家。上世纪二三十年代他生活工作在北京(当时称北平),与北京书画篆刻界的名家齐白石、徐悲鸿、张志鱼、叶浅予、徐操等人是很好的朋友。上世纪三十年代中期,祖父在北京已是很有名望的篆刻家了,其篆刻、 Mr. Zhang Shufang, my grandfather, was a famous seal cutting artist in Beijing in his early years. In the 1920s and 1930s, he lived and worked in Beijing (at the time called Peiping) and was a very good friend with famous masters of calligraphy and painting in Beijing such as Qi Baishi, Xu Beihong, Zhang Zhiyu, Ye Qian Yu and Xu Cao. The mid-19 th century, grandfather in Beijing is a very famous seal cutting, and its seal cutting,