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He also endowed the recently founded University of Lima.
Additionally, he studied education administration at the University of Lima in 1985/86, and international humanitarian law in armed conflicts at the International Institute of Humanitarian Law in San Remo, Italy, in 1998.
Riva-Agüero, a descendant of José de la Riva Agüero, studied at the National University of San Marcos and the University of Lima where he completed his PhD, before returning to San Marcos as Professor of History.
It is located next to the University of Lima, right outside of La Molina.
In 1994 Peter Häberle received the honorary doctorate of the faculty of law of the Aristoteles-University Thessaloniki, in 2000, 2003 and 2007 from the respective faculties in Granada, the Catholic University of Lima and the University of Lisbon.