Constantin Brancusi, a Romanian-born artist made sculptures that explored the idea of abstraction. In the center is Mademoiselle Pogany; the bronze is dated 1913. It was actually a portrait of a friend of his, Margit Pogany, a young Hungarian woman. When the plaster was on view in 1913 in New York, it became one of the star pieces of the Armory Show, not in the sense of being most beloved, but being most ridiculed by the press and by the visitors. [2:00)