Which university is Switzerland's oldest university and has Jean Pieters as a professor?
University of Basel The University of Basel (German: "Universität Basel") is located in Basel, Switzerland. Founded on 4 April 1460, it is Switzerland’s oldest university and is counted among the leading institutions of the country.
Presses polytechniques et universitaires romandes The Presses polytechniques et universitaires romandes (PPUR, literally "Polytechnic and university press of French-speaking Switzerland") is a Swiss academic publishing house.