ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːtiːn, sˈʌslɪn ɛnɹˈoʊld æt ðɪ ɪmpˈɪɹiəl mˈɑːskoʊ jˌuːnɪvˈɜːsᵻɾi ænd stˈʌdid ˌʌndɚ ðə tˈuːɾɛlɪdʒ ʌv nˈɪkəlˌaɪ lˈuːzɪn.
In 1913, Suslin enrolled at the Imperial Moscow University and studied under the tutelage of Nikolai Luzin.