Possible Clues:

• Painter, for instance, using blue up outside
• Artist famed for depicting dancers
• ''L'Absinthe'' artist
• Edgar —, French painter and sculptor
• "Ballet Rehearsal" artist
• ''The Dance Class'' painter
• Ballet-inspired French impressionist
• French impressionist painter, d. 1917
• Turner's blue, for instance is appearing in that other artist
• ''Dancer Adjusting Her Shoe'' artist