A large gathering is seen in Nasau Hall Sunday, April 21, 2013, at Princeton University, as outgoing Princeton University president Shirley M. Tilghman, back center, sits with Christopher L. ... more 
A large gathering is seen in Nasau Hall Sunday, April 21, 2013, at Princeton University, as outgoing Princeton University president Shirley M. Tilghman, back center, sits with Christopher L. Eisgruber, back center right, Princeton's provost for the past nine years, as Eisgruber is introduced as the University's 20th president, effective July 1. He succeeds Tilghman, who last fall announced her intention to step down at the end of this academic year after completing 12 years in office. (AP Photo/Mel Evans) less 
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Associated Press | Photo By Mel Evans
Sun, Apr 21, 2013 5:27 PM EDT