With graceful constellations of wire and drifting metal, young Alexander Calder made sculpture airborne. Today, more than 30 years since he made the mobile a household word, "Sandy" Calder is working as hard as everon the ground. In France, where he has lived off and on since 1926, the Connecticut Yankee has created freestanding metal sculptures more massive than those of any other 20th century artist.
Naturally, he calls them stabiles.
Calder constructs his colossi segment by segment in a studio near his 15th century farmhouse nestled against a limestone cliff, overlooking...