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