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He is a fellow of the American Physical Society ( 1985 ) , American Association for the Advancement of Science ( 2000 ) , elected member of the National Academy of Sciences ( 2002 ) and the American Academy of Arts and Sciences ( 2007 ) , Alfred P. Sloan Fellow ( 1975 – 77 ) , Guggenheim Fellow ( 1981 ) , and honored member of the International Liquid Crystal Society .
 American Physical Society, American Association for the Advancement of Science, National Academy of Sciences, American Academy of Arts and Sciences, Alfred P. Sloan Fellow, Fellow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 American Physical Society, American Association for the Advancement of Science, National Academy of Sciences, American Academy of Arts and Sciences, Alfred P. Sloan Fellow, Fellow