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Calvel has been credited with creating a revival of French-style breadmaking as well as developing an extensive body of research on improving breadmaking technique , including studies of the differences between European and American wheat flour and the development of the autolyse , a hydration rest early in the mixing and kneading process designed to relax gluten in the dough and simplify the kneading process , thereby rendering the dough more extensible and easier to shape .
 person: Calvel
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Calvel 
Answer:
 person: Calvel