hiː ɹᵻsˈiːvd ɐn ˈɑːnɚɹˌɛɹi dˈɑːktɚɹˌeɪt fɹʌm stˈɑːkhoʊm jˌuːnɪvˈɜːsᵻɾi ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɪks, ænd wʌz ɐwˈɔːɹdᵻd ðə swˈiːdɪʃ ɹˈɔɪəl mˈɛdəl lˈɪɾɚɹˌɪs ˈɛt ˈɑːɹɾɪbəs ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti sˈɪks.
He received an honorary doctorate from Stockholm University in 1976, and was awarded the Swedish royal medal Litteris et Artibus in 1996.