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Between 1949 and 1953 he worked on his doctoral thesis in this subject at Nancy , supervised by Jean Dieudonné and Laurent Schwartz .
 location: Nancy; person: Jean Dieudonné; person: Laurent Schwartz
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:
 location: Nancy; person: Jean Dieudonné; person: Laurent Schwartz