Guō Qiūquán 郭秋泉 (fl. early 19th c.) was a pupil of 陳念祖 Chén Xiūyuán’s circle who in 1818 clandestinely copied 熊笏 Xióng Hù’s Zhōngfēng lùn (KR3eh035) manuscript; his copy survived to become the basis of the 1884 editio princeps.