Possible Clues:

• Descartes who said, "I think therefore I am"
• ___ Fonck, top Allied fighter ace of W.W. I
• Glass designer Lalique
• François-___ de Chateaubriand
• '70s-'80s Quebec premier Lévesque
• M. Magritte
• Descartes or Lalique
• ___ Furterer, line of French hair products
• Russo of "Lethal Weapon 4"
• 'Buddy' star Russo