NEW YORK, N.Y. — Cubism is — we have been told — an artistic movement that strives to break down the falsehoods of art. Rather than emulate and create the illusion of reality, cubism did the opposite ...

“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 ...