UNITED STATES - APRIL 11: Students walk across the campus of Columbia University in New York, Wednesday, April 11, 2007. The University said John W. Kluge, former chairman of Metromedia International Group Inc., will make the largest donation in the school's history, $400 million, twice as much as the Ivy League school's previous record contribution of about $200 million. (Photo by Daniel Barry/Bloomberg via Getty Images)
