A sculptor born in Lawton, Pennsylvania in USA. Calder has studied at the Art Students League in New York, his father and grandfather are both famous sculptors. His works are mainly huge, hovering and floating sculptures with bold colors. He used mechanical devices of perfect balance to create a new style. Calder is a sculptor who inherited the past and the fore in the development of Western sculptures, and is one of the important innovators of sculpture art in the last century.