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The essentials of this fourfold methodology were initially and perhaps most clearly articulated by Imām al-Shāfiʻī , a noted legal scholar of the eighth and ninth centuries CE and founder of an eponymous school of Islamic jurisprudence .
 Imām al-Shāfiʻī
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Imām al-Shāfiʻī