ɔːlðˈoʊ ðɪs wˈɜːk pɹəvˈaɪdᵻd ɐ tˈɛmplət fɔːɹ mˈɛnɪəv hɪz lˈeɪɾɚɹ ɪnvˌɛstɪɡˈeɪʃənz, hiː hæd ɔːlɹˌɛdi tˈʌtʃt ˌɔn mˈɛnɪəv ðə kˈoːɹ aɪdˈiəz ɪn hɪz fˈɜːst ˈɑːɹɾɪkəlz ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɪks, ðə sˈeɪm jˈɪɹ ðæt hiː fˈaʊndᵻd ðɪ ˌɪntɚnˈæʃənəl səsˈaɪəɾi fɚðə stˈʌdi ʌv tˈaɪm.
Although this work provided a template for many of his later investigations, he had already touched on many of the core ideas in his first articles in 1966, the same year that he founded the International Society for the Study of Time.