After Impressionism – Inventing Modern Art, at the National Gallery, reviewed

Getting the words ‘impressionism’ and ‘modern art’ into one exhibition title is a stroke of marketing genius on the part of the National Gallery, but is it too much for a single blockbuster? Symbolism, cloisonnisme, pointillism, expressionism, cubism, abstraction: if impressionism was a watershed in modern art, the streams that flowed from it were many and various.