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In 1996 , to illustrate what he believed to be the intellectual weaknesses of social constructionism and postmodernism , physics professor Alan Sokal submitted an article to the academic journal " Social Text " deliberately written to be incomprehensible but including phrases and jargon typical of the articles published by the journal .
 Alan Sokal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alan Sokal