Hu Huanyong
Hu Huanyong was a Chinese demographer and the founder of China's population geography. He was born in Yixing, Jiangsu Province. He studied literature, history, and geography at Nanjing Higher Normal School. He continued his education at the University of Paris from 1926 to 1928. He returned to China and began teaching at National Central University where he was eventually appointed dean of the Department of Geography. He began teaching at East China Normal University in Shanghai in 1953, and in 1957 he became director of the research office of population geography at ECNU, the first demographic research institution in China.
In a paper published in 1934 entitled, "Distribution of China's Population," he drew the Heihe-Tengchong Line, also called the Aihui-Tengchong Line, which is known internationally as the "Hu Line." The line marks a striking difference in the distribution of China's population.
