The question asks to identify the scholar who referred to the 'classical tradition' using the specific term 'Epic theory'.

Sheldon Wolin and 'Epic Theory'

Political theorist Sheldon Wolin is known for his work analyzing political thought and traditions. In his writings, Wolin utilized the concept of 'Epic theory' to describe certain aspects of the classical tradition, particularly concerning its structure, ambition, and modes of expression in political discourse.

Identifying the Descriptor

Based on established scholarship in political theory:

• Sheldon Wolin specifically used the phrase 'Epic theory' in his analyses of the classical tradition.
• This terminology highlights how Wolin viewed certain classical political writings as possessing qualities akin to epic narratives – grand in scope, focused on foundational questions, and often presenting a particular, heroic vision of the political order.

Therefore, Sheldon Wolin is the scholar credited with describing the classical tradition as 'Epic theory'.