Happy birthday to American sculptor Alexander Calder born today in 1898. Known for his mobiles, Calder embraced the meanings implied by the French term, both referring to a motive and something movable, even quick and unstable, and used it for his works where elements moved by currents of air. Enjoy "Red Lily Pads" from our collection and currently on view in Visionaries: Creating a Modern Guggenheim," on view through September 6. Learn more: http://gu.gg/E8N730dN8zC Photo: David Heald © 2017 Calder Foundation, New York/Artists Rights Society (ARS), New York Alexander Calder was an American sculptor known as the originator of the mobile, a type of moving sculpture made with delicately balanced or suspended shapes that move in response to touch or air currents. Wikipedia Born : July 22, 1898, Lawnton, Swatara Township, Pennsylvania, United States Died : November 11, 1976, New York City, New York, United States On view :