Possible Clues:

• He painted main room regularly
• 'The Tilled Field' painter Joan
• Spanish surrealist has the edge over Picasso at last
• "Dog Barking at the Moon" artist Joan
• Focus of a Barcelona museum
• Catalan-born Surrealist
• 'The Birth of the World' painter
• Spanish ceramist
• 20th-century Spanish painter
• Ceramic muralist for the Unesco building in Paris