夏黃公〔-黄-〕 haa6 wong4 gung1 {Xià Huáng gōng}Xia Huanggong also known as Huang Shigong 黃石公 (dates of birth and death uncertain), Daoist hermit of the Qin Dynasty 秦代 and purported author of ”Three Strategies of Huang Shigong” 黃石公三略, one of the Seven Military Classics of ancient China 武經七書 | CC | |