Art: Misunderstood Master of Iron

At the Guggenheim, Spain's Julio González gets his due "

The age of iron began many centuries ago," declared Catalan Sculptor Julio González in the 1930s. "It is high time that this metal cease to be a murderer and the simple instrument of an overly mechanical science. Today the door is opened wide for this material to be—at last!— forged and hammered by the peaceful hands of artists." Prophetic words, and it was largely González's own work that made them true. The great shift in sculptural history during this century, away from "closed" (solid)...