hiː wʌz mˌeɪd dᵻɹˈɛktɚɹ ʌv mˈʊzlɪm sˌoʊsɪəlˈɑːdʒɪkəl stˈʌdiz æt ðɪ ɪkˈoʊl pɹæktˈiːk dˈɛs hˈɔːts ˈɛɾuːdz, ænd ɐ jˈɪɹ lˈeɪɾɚ, ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɪks, wʌz ɐpˈɔɪntᵻd pɹəfˈɛsɚɹ ʌvðə sˈoʊʃəl hˈɪstɚɹi ʌv kəntˈɛmpɚɹˌɛɹi ɪslˈɑːm æt ðə kˈɑːlɛdʒ də fɹˈæns, ɐ pˈoʊst hiː ˈɑːkjʊpˌaɪd ʌntˈɪl hɪz ɹᵻtˈaɪɚmənt ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi wˈʌn.
He was made director of Muslim Sociological Studies at the Ecole Practique des Hautes Etudes, and a year later, in 1956, was appointed Professor of the Social History of Contemporary Islam at the Collège de France, a post he occupied until his retirement in 1981.