Leon D. Harmon (1922 - 1983) was a researcher in mental/neural processing, particularly regarding vision, who worked at Bell Telephone Laboratories, Incorporated.
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.