Sun Tzu is treated as the godfather of strategy by generals, CEOs, and coaches alike, yet modern historians debate whether he existed at all. This episode starts with the legend from Sima Qian's Records of the Grand Historian, written around 97 BC: the strategist from Qi, King Helü of Wu, the infamous drilling of 180 concubines and the execution of the king's two favorites, and the Battle of Boju in 506 BC.

We then examine why the story falls apart: the total silence of the Zuo Zhuan, a name that translates roughly to "fugitive warrior," crossbows and professional generals that did not exist in the Spring and Autumn period, and the 1972 discovery at Yinqueshan of both The Art of War and Sun Bin's long-lost Military Methods. Finally we trace the text's journey through Cao Cao, the samurai, Mao Zedong, Ho Chi Minh, Norman Schwarzkopf's Desert ...