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Mathematical physicist John C. Baez famously invented a crackpot index to give an idea of what sort of claims and rhetoric were commonplace among pseudophysics proposals he had come across .
 John C. Baez
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 C. Baez