fɹʌm nˈaɪntiːnhˈʌndɹɪd tˈɛn tə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi wˈʌn hiː wʌz dᵻɹˈɛktɚɹ ʌvðə fˈɪʃ lˈæbɹətˌɔːɹi æt ðə mjuːzˈiəm ʌv nˈætʃɚɹəl hˈɪstɚɹi ɪn hˈæmbɜːɡ.
From 1910 to 1931 he was director of the fish laboratory at the  Museum of Natural History in Hamburg.