Cáo Bǐnggāng 曹秉綱 (late Qīng, fl. 1886), of Rénhé Lǐtáng 仁和禮堂 (Hángzhōu), physician and collator of the Nǚkē mìzhǐ 女科秘旨 (KR3ei022); medical pupil of his father-in-law 陳貞甫 Chén Zhēnfǔ, and through that connection a follower of the 陳念祖 Chén Niànzǔ (Xiūyuán) pedagogical lineage.