studies with a dean.
John J. Cavanaugh, president from 1946 to 1952, devoted his efforts to raising academic standards and reshaping the university administration to serve better its educational mission and an expanded student body. He stressed advanced studies and research while quadrupling the university's student population, with undergraduate enrollment increasing by more than half and graduate student enrollment growing fivefold. Cavanaugh established the Lobund Institute for Animal Studies and Notre Dame's Medieval Institute, presided over the construction of Nieuwland Science Hall, Fisher Hall, and the Morris Inn, and the Hall of Liberal Arts (now O'Shaughnessy Hall), made possible by a donation from I. A. O'Shaughnessy, at the time the largest ever made to an American Catholic university. He also established the university's system of advisory councils.
=== Hesburgh era: 1952–1987 ===
Theodore Hesburgh served as president for 35 years (1952–1987). Under his presidency, Notre Dame underwent huge growth …
