ˈæftɚ fˈɜːðɚ stˈʌdiz æt fɹˈæŋkfɜːts ˈɪnstɪtˌuːt ʌv mˌiːɾɪoːɹˈɑːlədʒi ænd dʒˌiːoʊfˈɪzɪks, hiː ɹᵻsˈiːvd hɪz pˌiːˈeɪtʃ dˈiː ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fɹʌmðə jˌuːnɪvˈɜːsᵻɾi ʌv fɹˈæŋkfɜːt, wˌɛɹ bᵻnˈoʊ ɡjˈuːtənbˌɜːɡ wʌz hɪz ɐdvˈaɪzɚ.
After further studies at Frankfurt’s Institute of Meteorology and Geophysics, he received his PhD in 1930 from the University of Frankfurt, where Beno Gutenberg was his advisor.