From Wikipedia

Sun Tzu

Sun Tzu (traditional Chinese: 孫子; simplified Chinese: 孙子; pinyin: Sūn Zi, pronounced [suən˥ tsz̩˨˩˦]. Sun is his family name, and Tzu is an honorific in classic Chinese, roughly equivalent to Sir, and commonly translated into English as "master". His given name is Wǔ (武). His style name is Chángqīng (長卿). Sun Tzu is traditionally believed to be the author of The Art of War, sometimes called the Sun Tzu, an influential ancient Chinese book on military strategy considered to be a prime example of Taoist strategy. Sun has had a significant impact on Chinese and Asian history and culture, both as an author of the Art of War and as a legendary figure. During the 19th and 20th centuries, Sun's The Art of War grew in popularity and saw practical use in Western society, and his work has continued to influence both Asian and Western culture and politics.

Historians have questioned whether or not Sun was an authentic historical figure. Traditional accounts place him in the Spring and Autumn Period of China (722–481 BC) as a heroic general of the King of Wu who lived c. 544—496 BC. Scholars accepting his historicity place his supposed writing The Art of War in the Warring States Period (476–221 BC), based on the descriptions of warfare in the text. Traditional accounts state that his descendant, Sun Bin, also wrote a master treatise on military tactics.