Robert S. de Ropp (scientist, humanitarian, and author), who had spent time with Huxley in England in the 1930s, connected with him again in the U.S. in the early 1960s and wrote that "the enormous intellect, the beautifully modulated voice, the gentle objectivity, all were unchanged.
ɹˈɑːbɚt ˈɛs. dɚ ɹˈɑːp sˈaɪəntɪst, hjˌuːmɐnɪtˈɛɹiən, ænd ˈɔːθɚ, hˌuː hæd spˈɛnt tˈaɪm wɪð hˈʌksli ɪn ˈɪŋɡlənd ɪnðə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi z, kənˈɛktᵻd wɪð hˌɪm ɐɡˈɛn ɪnðə jˈuː.ˈɛs. ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɪksti z ænd ɹˈoʊt ðˈæt "ðɪ ɪnˈoːɹməs ˈɪntəlˌɛkt, ðə bjˈuːɾɪfəli mˈɑːdʒuːlˌeɪɾᵻd vˈɔɪs, ðə dʒˈɛntəl ɑːbdʒɪktˈɪvᵻɾi, ˈɔːl wɜːɹ ʌntʃˈeɪndʒd.