Possible Clues:

• ____ of Citium and ____ of Elea were both ancient Greek philosophers
• -- of Citium, founder of Stoicism
• Stoic of Greece
• Greek known for his paradoxes
• Stoic old Greek
• Aristotle called him the inventor of the dialectic
• Greek Stoic philosopher
• Stoic Greek
• Philosopher known for his "Achilles and the Tortoise" paradox
• Philosopher known for a paradox