Possible Clues:

• Father of modern Italian, per linguists
• 'The Divine Comedy' author
• Virgil's fellow traveler
• 'Clerks' clerk
• "Clerks" clerk
• Poet who invented the terza rima rhyme scheme
• Poet on Italy's two-euro coins
• Meeting covering new poet
• Famed 'comedy' writer
• He was a hell of a writer!