I.M. Pei biography
I.M. Pei is a Chinese-born U.S. architect. He spent ten years working for a firm in New York before founding Pei Cobb Freed & Partners. His designs are modern and include the National Center for Atmospheric Research building and the East Building of the National Gallery of Art in D.C. He perhaps best known for his controversial glass pyramid in the courtyard at the Louvre Museum in Paris.