Possible Clues:

• Sugar baron/art collector/philanthropist
• Some statement issued by benefactor of art
• Famed London art institution
• Henry who established an art gallery
• It began as the National Gallery of British Art
• __ Modern (London museum)
• British philanthropist Henry
• Gallery's last debt regularly rescheduled
• 'Valley of the Dolls' co-star Sharon
• Famous London art museum