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He was awarded a post-doctoral fellowship to work with Nobel Laureate Melvin Calvin at the Lawrence Berkeley Laboratory of the University of California on photosynthesis .
 person: Melvin Calvin
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: Melvin Calvin 
Answer:
 person: Melvin Calvin