Possible Clues:

• Nobelist Cassin
• Name meaning 'born again'
• 1950s French president Coty
• It's put before Descartes?
• Belgian artist Magritte
• Art's Magritte
• Levesque or Descartes
• 'Thor' actress Russo
• Kevin's "Tin Cup" costar
• Mr. Descartes