Possible Clues:

• William - - , British painter 1787-1849
• Museum's creator hasn't opening for painter of the nude
• Painter inspired by quiet types
• Artist makes Elizabeth lose her head
• William --, English painter (1787-1849)
• 19th-century painter -- not the first for modern art collector
• Painter Jack's fallen off the pier
• William --, English painter of 'Pandora Crowned by the Seasons'
• Elizabeth's heading off to become an artist
• Artist rather lacking in promotion