Possible Clues:

• Artist demands drink, something bitter
• Ugly woman engaged in vocation as artist
• *'Green Violinist'
• Marc --, French painter
• Marc --, Russian-born French painter
• Marc -, twentieth century Russian-born French artist
• "I and the Village" artist
• Designer of a stained-glass window in the U.N. building
• Painter leaves for a drink with boldness
• Painter shows impudence after tea