Two days later, thousands of students massed downtown protesting the Klavern, and only the arrival of college president Walsh prevented any further clashes. The next day, Rockne spoke at a campus rally and implored the students to refrain from further violence. A few days later, the Klavern broke up, but the hostility shown by the students contributed to the downfall of the KKK in Indiana.
=== Expansion in the 1930s and 1940s ===
Charles L. O'Donnell (1928–1934) and John Francis O'Hara (1934–1939) fueled both material and academic expansion. During their tenures at Notre Dame, they brought many refugees and intellectuals to campus, such as W. B. Yeats, Frank H. Spearman, Jeremiah D. M. Ford, Irvin Abell, and Josephine Brownson for the Laetare Medal, instituted in 1883. O'Hara also concentrated on expanding the graduate school. New construction included Notre Dame Stadium, the law school building, the Rockne Memorial, numerous residential halls, the Cushing Hall of Engineering, and a new heating plant. This …
