Possible Clues:

• French artist Édouard
• Painter turned up two hours before midday
• Prolific painter of Paris
• "The Absinthe Drinker" painter
• Your man gave us the impression of a 12 across trap
• Edouard - - , French impressionist painter
• 'Music in the Tuileries' painter, 1862
• Might mother catch an impression of him?
• Painter with long hair at last
• ''Le déjeuner sur l'herbe'' painter