sentences:  The park has surrendered the land for the Museum Campus to Grant Park.During the presidency of U.S. President Barack Obama, the park was the landing site for Marine One when visiting his Kenwood home on Chicago's south side.In the early 20th century, Chicago businessman A. Montgomery Ward advocated that the lakefront must be publicly accessible, and remain "forever open, clear and free", lest the city descend into the squalor typical of American cities of the time, with buildings and heavy industry destroying any chance for beauty.