Pieper as Visiting Professor

1949, summer term

Freie Universität Berlin

1950, February-June

Notre Dame University, Indiana, USA

1956, March-June

Stanford University, California, USA

1962, March-June

Stanford University, California, USA

1967, October

University of Toronto, Canada (“Centennial Professor”)

1970, July-August

Liturgy in Santa Fe, New Mexico, USA (Priest-Course)

1973

Christian Commonwealth Institute, El Escorial, Spain

1975

Christian Commonwealth Institute, El Escorial, Spain

1987, February

International Academy of Philosophy, Liechtenstein.