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Eddington 's books and lectures were immensely popular with the public , not only because of his clear exposition , but also for his willingness to discuss the philosophical and religious implications of the new physics .
 person: Eddington
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: Eddington