Possible Clues:

• Ultimately successful climber, a chronicler of Roman history
• Augustan Age historian
• 54 year old historian
• Roman who wrote "The History of Rome"
• Roman who wrote 'The History of Rome'
• Titus Livius, 59BC-17AD, Roman historian
• Author of History of Rome (Ab Urbe Condita)
• 'The History of Rome' writer
• Early Roman historian
• Augustan Age author