During his service, he collected statistics on deaf-mutes, which influenced the legislature to pass laws for the education of the mentally ill.
dˈʊɹɹɪŋ hɪz sˈɜːvɪs, hiː kəlˈɛktᵻd stɐtˈɪstɪks ˌɔn dˈɛfmjˈuːts, wˌɪtʃ ˈɪnfluːənst ðə lˈɛdʒɪslətʃɚ tə pˈæs lˈɔːz fɚðɪ ˌɛdʒuːkˈeɪʃən ʌvðə mˈɛntəli ˈɪl.