. . . "to exile undesired intellectuals" . "exile of many intellectuals" . "Philosopher's Ship" . "forced exile of leading figures of Russian sciences and culture" . "Philosophical steam-ship" . "Philosophical Steamship" . "expelled" . "Philosophers' Ships" . "Philosophers' ships" . "Expulsion" . "philosophical ships" . "philosophers' ships" . . "philosophers' ship" . "Philosophers' ships" . "The Philosophers' ship" .