hiː ˈɔːlsoʊ tˈʊk sɐbˈæɾɪkəlz tə vˈɛɹiəs ˈɪnstɪtˌuːts, ɪŋklˈuːdɪŋ ðɪ ˈɪnstɪtˌʌt dˈɛs hˈɔːts ˈɛɾuːdz sˌaɪəntɪfˈiːks ænd ˌɛmˌaɪtˈiː.
He also took sabbaticals to various institutes, including the Institut des Hautes Etudes Scientifiques and MIT.