Du Yaquan
Du Yaquan (in Chinese: 杜亚泉, 1873 - December 6, 1933), originally named Weisun (炜孙), courtesy name Qiufan (秋帆), pseudonym Yaquan (亚泉), also signed as Cangfu (伧父) was an encyclopedic scholar and a pioneer in advocating and disseminating science in early 20th-century China, translating a large number of Western and Japanese scientific works and literature into Chinese. In his later years, he participated in the compilation of numerous textbooks.