fɹʌmðə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, hiː mˈuːvd fɹʌmðə ɹiːəlˈɪstɪk dᵻpˈɪkʃənz ʌvðə hjˈuːmən fˈɔːɹm ʌv hɪz ˈɜːlɪɚ wˈɜːks təwˈɔːɹdz ɐ dʒˌiːoʊmˈɛtɹɪk stˌaɪləzˈeɪʃən ɪŋkˈoːɹpɚɹˌeɪɾɪŋ kˈɜːvz.
From the 1970s, he moved from the realistic depictions of the human form of his earlier works towards a geometric stylisation incorporating curves.