薑子牙〔姜--〕 goeng1 zi2 ngaa4 {Jiāng Zǐ yá}Jiang Ziya (c. 1100 BC, dates of birth and death unknown), partly mythical sage advisor to King Wen of Zhou 周文王 and purported author of “Six Secret Strategic Teachings” 六韜, one of the Seven Military Classics of ancient China 武經七書 | CC | |