Daub Karl, a German theologian of the Hegelian school, was born at Cassel March 20, 1765. In 1791 he became tutor in the academy of Marburg, where he had been studying since 1786. He was afterwards professor of philosophy in Hanau, and finally, in 1794, became professor of theology at Heidelberg. He died Nov. 22,1836. Daub was one of the representatives of the new speculative theology. At first, especially in his Predigten nach Kantischen Grundsdtzein (1794), and in his Katechetik (Heidelb. 1801), he was a, Kantian; he afterwards inclined to Fichte; and in his Theologoumena (Heidelb. 1806), and Einleitung in d. Studium d. Dogmatik (Heidelb. 1810), he applied Schelling's doctrine to theology. As the latter ended with theosophic dualism, so Daub, in his Judas Iscariot (Heidelb. 1816; 2d ed. 1818), displayed a speculation almost bordering on Manicheism. This work bears witness to his struggle with Hegel's phenomenology and logic, but Hegel finally prevailed. Daub was a man of old German simplicity, great moral energy, and warm faith; yet, with a great talent for teaching, he was too abstract in his literary productions to influence a large circle. This is especially the case with his last work, Die dogmatische Theologie jetziger Zeit (Heidelb. 1833). He was associated with Creuzer in publishing a periodical entitled Studien (Heidelb. 1805-10 6 vols.). His works have been published by Marheineke and Dittenberger (Berl. 1838-44, 7 vols.). — Pierer, Univ. Lexicon, s.v.; Kahnis, German Protestantism (Edinb. 1856, 12mo, p. 243); Rosenkranz, Erinnerungen an Can Daub (Berl. 1837); Strauss, Charakteristiken u. Kriti ken; Herzog, Real-Encyklop. 19:391.