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Leroy-Beaulieu was elected a member of the Royal Swedish Academy of Sciences in 1880 .
 Leroy-Beaulieu, Royal Swedish Academy of Sciences
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Leroy-Beaulieu, Royal Swedish Academy of Sciences