What is cubism? It isn't. It isn't, that is, a movement with a coherent set of ideas or goals based on any single manifesto. Like most -isms in art -- mannerism, romanticism, impressionism, abstract ...

“It is a curious fact,” writes Alan Bowness, “that there has never before been a major Cubist exhibition in London.” Mr. Bowness, the director of the Tate Gallery, has lately set out to rectify this ...