hiː spˈɛnt mˈoʊst əv wˈɜːld wˈɔːɹ ɹˌoʊmən tˈuː ɪn dʒənˈiːvə, swˈɪtsɚlənd, wˌɛɹ hiː dɹˈuː ˌɔn hɪz hˈaɪlˈɛvəl, jˈʊɹɹəpwˈaɪd kənˈɛkʃənz tə pɚfˈɔːɹm vˈaɪɾəl wˈɜːk fɚðə jˌuːˈɛs ɪntˈɛlɪdʒəns nˈɛtwɜːk ɹˈʌn baɪ ˈælən wˈɛlʃ dˈʌləs.
He spent most of World War II in Geneva, Switzerland, where he drew on his high-level, Europe-wide connections to perform vital work for the US intelligence network run by Allen Welsh Dulles.