lˈʌts ɪz mˈæɹid tə ɹˈɑːbɪn lˈʌts, ɐ pɹəfˈɛsɚɹ ʌv kəmpjˈuːɾɚ sˈaɪəns æɾ ˈaɪəwə stˈeɪt jˌuːnɪvˈɜːsᵻɾi; ðɛɹ sˈʌn nˈiːl lˈʌts ɪz ˈɔːlsoʊ ɐ kəmpjˈuːɾɚ sˈaɪəntɪst ænd ɐ vˈɪzɪɾɪŋ ɐsˈɪstənt pɹəfˈɛsɚɹ ʌv kəmpjˈuːɾɚ sˈaɪəns æt swˈɔːɹθmoːɹ kˈɑːlɪdʒ.
Lutz is married to Robyn Lutz, a professor of computer science at Iowa State University; their son Neil Lutz is also a computer scientist and a visiting assistant professor of computer science at Swarthmore College.