Castren, Mathias Alexander, an eminent philologist, born in Finland, professor of the Finnish Language and Literature in Helsingfors; travelled all over Northern Europe and Asia, and left accounts of the races he visited and their languages; translated the “Kalevala” (q.v.) the epic of the Finns; died prematurely, worn out with his labours (1813-1852).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Castor and Pollux * Castres