Article Photos: Princeton names provost its 20th president 1/6

Christopher L. Eisgruber, center, Princeton's provost for the past nine years, smiles Sunday, April 21, 2013, at Princeton University, as Princeton University president Shirley M. Tilghman announcess Eisgruber will replace her and become the University's 20th president, effective July 1. Eisgruber 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)