Possible Clues:

• 'Divine Comedy' poet
• "Purgatorio" poet
• Italy's "Supreme Poet"
• 'La Vita Nuova' author
• Thirteenth to fourteenth century Italian poet
• "The Inferno" author
• ''Inferno'' poet
• ''Purgatorio'' writer
• One hell of a writer?
• 'Il Convivio' poet