In 1966, he prepared an animated film as an introduction to the Bell Telephone Laboratories' Low-Level Linked List Language (L6).
ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɪks, hiː pɹɪpˈɛɹd ɐn ˈænɪmˌeɪɾᵻd fˈɪlm æz ɐn ˌɪntɹədˈʌkʃən tə ðə bˈɛl tˈɛlᵻfˌoʊn lˈæbɹətˌɔːɹiz lˈoʊlˈɛvəl lˈɪŋkt lˈɪst lˈæŋɡwɪdʒ ˈɛl sˈɪks.