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The oldest is the Croonian Lecture , created in 1701 at the request of the widow of William Croone , one of the founding members of the Royal Society .
 person: William Croone
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: William Croone 
Answer:
 person: William Croone