Buildings that surround the quad include Malicky Center, Wheeler Hall, The Life & Earth Science building, the Center for Innovation and Growth, the Observatory, the President's house, several residence halls and the Alumni Wall. During the presidency of Alfred Bryan Bonds, the Alumni Wall (located behind North Hall) was created to recognize alumni who have contributed to the development of the campus. The North Quad is also home to a diverse tree collection, a Greenhouse, a native Ohio plants garden and a commons area (located behind Lang Hall).