Possible Clues:

• He wrote of the French missile backfiring
• Creator of Athos
• Hugo contemporary
• 'Three Musketeers' author
• Mud's being stirred up about a novelist
• French writer observed in Russian parliaments
• French author of 'The Three Musketeers'
• "The Count of Monte Cristo" novelist
• D'Artagnan's chronicler
• 'D'Artagnan Romances' author