Philosophers' ships is the collective name of several boats that carried Soviet expellees abroad.
The main load was handled by two German boats, the Oberbürgermeister Haken and the Preussen, which transported more than 160 expelled Russian intellectuals in September and November 1922 from Petrograd to Stettin, Germany. Three detention lists included 228 people, 32 of them students.
Other intellectuals were transported in 1923 by train to Riga, Latvia or by boat from Odessa to Constantinople.