Zhégōng lǎorén 摺肱老人 (late Qīng), the late-years sobriquet (wǎnnián zìhào 晚年自號) of 曉五公 Xiǎowǔgōng, who supplied annotations to the Nǚkē zhézhōng zuǎnyào 女科折衷纂要 (KR3ei024).