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Later life His wife died in 1950 , but Bone lived to see his 90th birthday in 1962 , receiving birthday messages from Queen Elizabeth II , President John F. Kennedy , and Harold Macmillan .
 Bone, Elizabeth II, John F. Kennedy, Harold Macmillan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bone, Elizabeth II, John F. Kennedy, Harold Macmillan