Today, 42 years ago, on July 25, 1983 (Lunar Calendar, June 16, 1983), Zhang Weng, one of the pioneers of China's modern forestry industry, died. Zhang Weng (June 24, 1983, July 25, 1983) was Jiangsu Jiangsu, graduated from Jiangsu First School of Forestry in Nanjing. In 1939, he received a doctorate from the University of Toulouse in France. A researcher and dean of the Chinese Academy of Forestry Sciences in 1955, selected as an academician of the Chinese Academy of Sciences (Chairman of the Department). In the mid-1940s, Zhang Weng, a famous forest scientist, tree classifier, forestry educator, and one of the pioneers of China's modern forestry, graduated from Nanjing. He has a profound research in