fɹʌm nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi tə nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi wˈʌn hiː wˈɜːkt ɪnðə ɹᵻsˈɜːtʃ dᵻvˈɪʒən ʌvðɪ ˌɑːɹsˌiːˈeɪ mˌænjuːfˈæktʃɚɹɪŋ kˈʌmpəni, ænd fɹʌm nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi wˈʌn hiː wʌz wɪððɪ ˌɑːɹsˌiːˈeɪ lˈæbɹətˌɔːɹiz dᵻvˈɪʒən.
From 1930 to 1941 he worked in the research division of the RCA Manufacturing Company, and from 1941 he was with the RCA Laboratories Division.