plˈætnɪk wʌz wˈʌn ʌvðə fˈaʊndɪŋ mˈɛmbɚz ʌvðə wˈɪli hˈɛnɪɡ səsˈaɪəɾi ænd ɪts fˈoːɹθ pɹˈɛzɪdənt nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti tˈuː.
Platnick was one of the founding members of the Willi Hennig Society and its fourth President (1991–1992).