dˈʊɹɹɪŋ ðə jˈɪɹz nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɛvən tə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti hiː sˈɜːvd æz fˈaʊndɪŋ dᵻɹˈɛktɚɹ ʌvðə lˈɪvɪŋ wˈɜːld ˌɛdʒuːkˈeɪʃən sˈɛntɚ, sənt. lˈuːi zˈuː.
During the years 1987 to 1990 he served as founding director of The Living World education center, St. Louis Zoo.