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Whereas theorists such as Jeffrey C. Alexander openly appropriated the term , others , such as the post-structuralist philosopher Michel Foucault , have been categorized as contemporary functionalists by their critics .
 Jeffrey C. Alexander, Michel Foucault
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Jeffrey C. Alexander, Michel Foucault