Polish poet, born in Lithuania, of a noble family; in 1822 published at Kovno a collection of poems instinct with patriotic feeling; was exiled into the interior of Russia, in 1824, for secret intrigues in the interest of his nation; while there published three epics, conceived in the same patriotic spirit; left Russia in 1829 for Italy by way of Germany; was warmly welcomed by Goethe in passing; in 1834 published his great poem "Sir Thaddeus," and in 1840 was appointed to a professorship of Polish Literature in Paris, where to the last he labored for his country; died at Constantinople, whence his bones were transferred to lie beside those of Kosciusko at Cracow (1798-1855).