ɹˈɑːbɚt dʒˈeɪ. ɡɹˈoʊdən bˈɔːɹn noʊvˈɛmbɚ twˈɛnti tˈuː, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi fˈaɪv ɪz ɐn ɐmˈɛɹɪkən ˈɔːθɚ hˌuː hɐz ɹˈɪʔn̩ ɛkstˈɛnsɪvli ɐbˌaʊt kənspˈɪɹəsi θˈiəɹiz ɹᵻɡˈɑːɹdɪŋ ðɪ ɐsˌæsᵻnˈeɪʃən ʌv jˈuː.ˈɛs. pɹˈɛzɪdənt dʒˈɑːn ˈɛf. kˈɛnədi.
Robert J. Groden (born November 22, 1945) is an American author who has written extensively about conspiracy theories regarding the assassination of U.S. President John F. Kennedy.