lˈiːɑːn dˈiː. hˈɑːɹmən nˈaɪntiːnhˈʌndɹɪd twˈɛnti tˈuː nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi θɹˈiː wʌzɐ ɹᵻsˈɜːtʃɚɹ ɪn mˈɛntəl slˈæʃ nˈʊɹɹəl pɹˈɑːsɛsɪŋ, pɚtˈɪkjʊlɚli ɹᵻɡˈɑːɹdɪŋ vˈɪʒən, hˌuː wˈɜːkt æt bˈɛl tˈɛlᵻfˌoʊn lˈæbɹətˌɔːɹiz, ɪŋkˈoːɹpɚɹˌeɪɾᵻd.
Leon D. Harmon (1922 - 1983) was a researcher in mental/neural processing, particularly regarding vision, who worked at Bell Telephone Laboratories, Incorporated.