How will the British public take to Rubens’s fatties?

This week a monumental exhibition, Rubens and His Legacy, is opening at the Royal Academy. It makes the case — surely correct — that the Flemish master was among the most influential figures in European art. There are few painters of the 18th or 19th century — from Joshua Reynolds to Cézanne, Watteau to Constable — who were not affected by his work.