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( But already in the 1930 s , Otto Neurath had argued for nonfoundationalism via coherentism by likening science to a boat ( Neurath 's boat ) that scientists must rebuild at sea .
 Otto Neurath, Neurath
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Otto Neurath, Neurath