The French-American architect Paul Philippe Cret designed the Detroit Institute of Arts which includes a 1,150-seat theatre in the Detroit's Cultural Center Historic District. Cret was educated at the École des Beaux-Arts in Lyon then in Paris, and came to the United States in 1903 to teach at the University of Pennsylvania. Cret was also the architect of the Folger Shakespeare Library in Washington, D.C. Michael Graves designed the 2007 renovation and expansion of the Detroit Institute of Arts with its exterior covered in white marble. Harley, Ellington and Day designed the marble Neoclassical Horace Rackham Education Memorial Building (1941) also within the Cultural Center Historic District.