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Its first chancellor was Monsignor Joaquín Larraín Gandarillas , and at the very beginning , the university only taught two subjects , law and mathematics .
 Joaquín Larraín Gandarillas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Joaquín Larraín Gandarillas