German philologist; born at Königsberg, East Prussia, Jan. 2, 1802; died there June 9, 1878; brother of the philologist F. Siegfried Lehrs (1806-43), editor of Didot's edition of the Greek epic poets. Karl was educated at the Königsberg gymnasium and university (Ph.D. 1823); in 1822, after entering the Protestant Church, he passed the examination for teacher in the gymnasium. He was successively appointed to positions at Danzig, Marien werder, and Königsberg (1825). In 1831 he established himself as privat-docent at Königsberg University, and in 1835 was appointed assistant professor. Elected in 1845 professor of ancient Greek philology, he resigned his position as teacher at the gymnasium; he held the chair in Greek philology until his death. Among Lehrs's many works may be mentioned: "De Aristarchi Studiis Homericis," Königsberg, 1833 (3d ed., by Ludwich, Leipsic, 1882); "Quæstiones Epicæ," ib. 1837; "Herodiani Scripta Tria Minora," ib. 1848; "Populäre Aufsätze aus dem Alterthume," ib. 1856 (2d ed., 1875); "Horatius Flaccus," ib. 1869; "Die Pindarscholien," ib. 1873.