He was a member of both the American Academy of Arts and Sciences and the American Philosophical Society.
hiː wʌzɐ mˈɛmbɚɹ ʌv bˈoʊθ ðɪ ɐmˈɛɹɪkən ɐkˈædəmi ʌv ˈɑːɹts ænd sˈaɪənsᵻz ænd ðɪ ɐmˈɛɹɪkən fˌɪləsˈɑːfɪkəl səsˈaɪəɾi.