Alexander Calder (1898-1976), whose illustrious career spanned much of the 20th century, is the most acclaimed and influential sculptor of our time. Born in a family of celebrated, though more classically trained artists, Calder utilized his innovative genius to profoundly change the course of modern art. He began by developing a new method of sculpting: by bending and twisting wire, he essentially ""drew"" three-dimensional figures in space. He is renowned for the invention of the mobile, wh