The oldest person to reach space is William Shatner, who was 90 years old when he made a suborbital spaceflight on Blue Origin NS-18.
ðɪ ˈoʊldɪst pˈɜːsən tə ɹˈiːtʃ spˈeɪs ɪz wˈɪljəm ʃˈætnɚ, hˌuː wʌz nˈaɪnti jˈɪɹz ˈoʊld wɛn hiː mˌeɪd ɐ sʌbˈoːɹbɪɾəl spˈeɪsflaɪt ˌɔn blˈuː ˈɔːɹɪdʒˌɪn ˌɛnˈɛs ˈeɪtiːn.