HAHN, AUGUST (1792-1863), German divine, was born on March 27, 1792, near Eisleben, and studied at Leipzig. In 1819 he was nominated professor extraordinarius of theology and pastor of Altstadt in Konigsberg, and in 182o received a superin tendency in that city. In 1822 he became professor ordinarius and in 1826 removed as professor of theology to Leipzig. There he published two treatises : De rationalismi qui dicitur vera indole et qua cum naturalismo contineatur ratione (1827), and also of an 0$ene Erklarung an die Evangelische Kirche zundchst in Sachsen u. Preussen (1827), in which he sought to convince the rationalists that it was their duty voluntarily and at once to withdraw from the national church. In 1833 Friedrich Wilhelm III. summoned him to Breslau as theological professor and con sistorial councillor, and in 1843 he became "general superinten dent" of the province of Silesia, where he reintroduced the Augsburg Confession. He died at Breslau on May 13, 1863. His Lehrbuch des christliclien Glaubens (1828, 2nd. [amended] ed. 18S7) explains his position. Among his other works the most im portant is Bibliothek der Symbole and Glaubens regeln (1842 ; 3rd ed. 1897).