hɪz dˈɔːɾɚ, lˈɔːɹə θˈoːɹnbɜːɡ, wʌzɐ dʒˈɜːnəlˌɪst ænd ˈɔːθɚ, pɚhˈæps bˈɛst nˈoʊn fɔːɹ pˈʌblɪʃɪŋ wˈʌn ʌvðə fˈɜːst hˈaɪkɪŋ ɡˈaɪdz tə ðə ɡɹˈeɪt smˈoʊki mˈaʊntɪnz nˈæʃənəl pˈɑːɹk ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi sˈɛvən.
His daughter, Laura Thornburgh, was a journalist and author, perhaps best known for publishing one of the first hiking guides to the Great Smoky Mountains National Park in 1937.