Sun Wu, also known as Sun Tzu 孫子|孙子[Sūn​zǐ] (c. 500 BC, dates of birth and death uncertain), general, strategist and philosopher of the Spring and Autumn Period (700-475 BC), believed to be the author of the “Art of War” 孫子兵法|孙子兵法[Sūn​zǐ​Bīng​fǎ], one of the Seven Military Classics of ancient China 武經七書|武经七书[Wǔ​jīng​Qī​shū]