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During this time , he had officially as students Michel Demazure ( who worked on SGA3 , on group schemes ) , Luc Illusie ( cotangent complex ) , Michel Raynaud , Jean-Louis Verdier ( cofounder of the derived category theory ) and Pierre Deligne .
 person: Michel Demazure; person: Luc Illusie; person: Michel Raynaud; person: Jean-Louis Verdier; person: Pierre Deligne
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Michel Demazure; person: Luc Illusie; person: Michel Raynaud; person: Jean-Louis Verdier; person: Pierre Deligne