李景汉(1895—1986)是我国著名的社会学家、社会调查学家。1895年1月22日生于北京通州。1917年赴美留学,专攻社会学及社会调查研究方法。先在珀玛拿大学,1920年获学士学位;后在哥伦比亚大学、加利福尼亚大学读研究生课程,1922年获加大硕士学位。1924年回国后即任北京社会调查所干事,参 Li Jinghan (1895-1986) is a famous sociologist and social investigator in our country. January 22, 1895 Born in Beijing Tongzhou. In 1917 to the United States to study, specializing in sociology and social investigation research methods. First in the University of Pamona, bachelor’s degree in 1920; after graduating Columbia University, University of California graduate course, in 1922 by increasing the master’s degree. After returning to China in 1924, he served as director of Beijing social survey, participation