曹廷杰字彝卿 ,号楚川 ,湖北枝江人。他是清朝时研究东北边疆史地问题的著名爱国学者 ,他所研究东北边疆问题的著述 ,至今仍有十分重要的历史、现实意义和影响。他不仅刻苦系统地研讨中俄边疆问题 ,而且身体力行 ,主动投入到防俄第一线工作和考察 ,为加强边防 ,防御沙俄的侵略 Cao Tingjie word Yi Qing, No. Chu Chuan, Hubei Zhijian. He was a famous patriotic scholar studying the history and geography of the northeast border during the Qing Dynasty. His research on the northeast frontier issue still has very important historical, practical significance and influence. He not only systematically studied the issue of border areas between China and Russia, but also took the initiative to devote himself into preventing and fighting against Russia’s aggression