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He earned a Bachelor ’s degree in Political Science from the University of California , Berkeley ( 1972 ) , Master 's degrees in Political Science from Stanford University ( 1973 ) and Princeton University ( 1975 ) , and a Master 's in Public Administration from Harvard University ( 1984 ) .
 Science, University of California , Berkeley, Science, Stanford University, Princeton University, Harvard University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Science, University of California , Berkeley, Science, Stanford University, Princeton University, Harvard University