fɹʌm nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɛvən tə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi hiː wʌz ɛŋɡˈeɪdʒd ɪn tˈɛlᵻvˌɪʒən ɹᵻsˈɜːtʃ ɪnðə ɹˈeɪdɪˌoʊ kənsˈʌltɪŋ lˈæbɹətˌɔːɹi ʌv dʒˈɛnɚɹəl ᵻlˈɛktɹɪk.
From 1927 to 1930 he was engaged in television research in the radio consulting laboratory of General Electric.