ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti nˈaɪn ænd nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi, hiː lˈɛktʃɚd ˈɪn "ˌɪntɹədˈʌkʃən tə pɚsˈɛpʃən saɪkˈɑːlədʒi" æt ðɪ ˈɑːɹt ænd dɪzˈaɪn dᵻvˈɪʒən ʌvðə bˈiːlɪfˌɛld jˌuːnɪvˈɜːsᵻɾi ʌv ɐplˈaɪd sˈaɪənsᵻz.
In 1979 and 1980, he lectured in "introduction to perception psychology" at the Art & Design division of the Bielefeld University of Applied Sciences.