Complex sentence: A Center for the Visual Arts, designed by Frank Gehry, was added in the 1990s; the Center includes the museum's library as well as studio, office, and classroom space for the art department of the University of Toledo.
Split into simpler sentences: A Center for the Visual Arts, designed by Frank Gehry, was added in the 1990s. It includes the museum's library as well as studio, office, and classroom space for the art department of the University of Toledo.