[1] From a young age, Suslin showed a keen interest in mathematics and was encouraged to continue his education by his primary school teacher, Vera Andreevna Teplogorskaya-Smirnova.

[2] In 1913, Suslin enrolled at the Imperial Moscow University and studied under the tutelage of Nikolai Luzin.

[2] Suslin died of typhus in the 1919 Moscow epidemic following the Russian Civil War, at the age of 24.

His name is especially associated to Suslin's problem, a question relating to totally ordered sets that was eventually found to be independent of the standard system of set-theoretic axioms, ZFC.

In fact, while he was a research student of Nikolai Luzin (in 1917) he found an error in an argument of Lebesgue, who believed he had proved that for any Borel set in