Bronze, 54 × 8 1/2 × 6 1/2" (137.2 × 21.6 × 16.5 cm). An elegantly tapered, soaring form that distills the essence of flight into a single polished bronze curve. [[Constantin Brâncuși|Brâncuși]]'s pursuit of essential forms made him a pioneer of [[Modern Sculpture|modern sculpture]].