hˈænfmən bɪkˌeɪm ɐ stˈuːdənt ʌv dˈeɪvɪd mˈʊɹ ɹˈɑːbɪnsən, ˈɜːnɪŋ ɐ sˈɛkənd pˌiːˈeɪtʃ.dˈiː. æt dʒˈɑːnz hˈɑːpkɪnz jˌuːnɪvˈɜːsᵻɾi ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈaɪv.
Hanfmann became a student of David Moore Robinson, earning a second Ph.D. at Johns Hopkins University in 1935.