The University of Pennsylvania, founded in 1740 by Benjamin Franklin, is a private, Ivy League institution. Penn is consistently included among the top research universities in the world, and also hosts highly regarded undergraduate programs in the liberal arts, business, engineering, and nursing. The university strongly emphasizes interdisciplinary education. Its Open University Policy allows undergraduates to take courses in all undergraduate departments and most graduate schools. Penn has one of the largest community service programs in the nation that links academic coursework to the surrounding community. Its 260-acre historic campus is located in downtown Philadelphia.