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Eduardo Rapoport studied at the National University of La Plata ( 1953 – 1956 ) and obtained his doctoral degree in 1956 .
 Eduardo Rapoport, National University of La Plata
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eduardo Rapoport, National University of La Plata