Li Siguang (1889- 197 1), male, Mongolian, originally named Li, was born in Xiangluwan, Huilongshan, Huanggang County, Hubei Province. World-famous scientists, geologists, educators and social activists are one of the founders and main leaders of modern earth science and geological work in China. Pioneering geomechanics. Academician of Academia Sinica, Academician of China Academy of Sciences. After the establishment of People's Republic of China (PRC), he served as president of Changchun Institute of Geology and Minister of Geology and Mineral Resources. 1944- 1946 Professor, Department of Geology, Chongqing University.