The historian and presenter on his new book about 12,000 years of British art, BBC philistinism and Banksy’s ‘money-making machine’.

Travel across Scotland, Wales, England, France and Italy in Christie’s Dramas of Light and Land: The Martyn Gregory Collection of British Art online, from 10 to 24 March.

JMW Turner, who died in 1851 at the age of 76, is considered to be one of Britain's greatest landscape artists A new exhibition is to examine how British artist JMW Turner unknowingly captured the ...