Duan_Yucai
Duan Yucai
Chinese philologist and linguist (1735–1815)
Duan Yucai (Chinese: 段玉裁) (1735–1815), courtesy name Ruoying (若膺) was a Chinese philologist of the Qing Dynasty. He made great contributions to the study of Historical Chinese phonology, and is known for his annotated edition of Shuowen Jiezi.