Princeton’s 20th president, Christopher L. Eisgruber (second from left), shares a moment in the Faculty Room at Nassau Hall with his three predecessors (from left) Harold T. Shapiro, Shirley Tilghman, and William G. Bowen. Alumni, faculty, staff, students and higher education leaders traveled from across campus, the country, and the world to hear the new president’s inaugural speech at Sunday’s celebratory ceremony, which took place in front of Nassau Hall. (Photo Courtesy Princeton University Office of Communications, Denise Applewhite, 2013)