Macbeth: A Tale of Two Theories Macbeth(c.1607), written by William Shakespeare, is the tragic tale of Macbeth, a virtuous man, corrupted by power and greed. This tragedy could in fact be called "A Tale of Two Theories". One theory suggests that the tragic hero, Macbeth, is led down an unescapable road of doom by an outside force, namely fate in the form of the three witches. The second suggests that there is no supernatural force working against Macbeth, which therefore makes him responsible for his own actions and inevitable downfall. It must be remembered that Macbethis a literary work of art, and as a peice of art is open to many