 James P. Jamieson was the chief architect for those built before 1940.The Barry Flanagan bronze statue, "Thinker on a Rock," widely known, simply, as "The Bunny," is currently on permanent loan to Washington University and features prominently near Olin Library, Graham Chapel and Mallinckrodt (Edison Theater).The Mildred Lane Kemper Art Museum on campus houses most of the University's art and sculpture collections, including pieces by Jackson Pollock, Robert Rauschenberg, Jenny Holzer, Pablo Picasso, Max Ernst, Willem de Kooning, Henri Matisse, Joan Miró, and Rembrandt van Rijn, among others.