Jiang Ziya (c. 1100 BC, dates of birth and death unknown), partly mythical sage advisor to King Wen of Zhou 周文王[Zhōu​Wén​wáng] and purported author of “Six Secret Strategic Teachings” 六韜|六韬[Liù​tāo], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wǔ​jīng​Qī​shū]