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Part of the reason for this was the writings of John Locke and Jean-Jacques Rousseau in the 18th century , which brought attention to children as an audience for literature .
 John Locke, Jean-Jacques Rousseau
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John Locke, Jean-Jacques Rousseau