The New International Encyclopædia/Hartig, Theodor

HARTIG, Theodor (1805-80). A German forester and naturalist. He was born at Dillenburg, was educated at Berlin (1824-27), and was successively lecturer and professor of forestry at the University of Berlin (1831-38) and at the Carolinum, Brunswick. His works include: Die Aderflügler Deutschlands (2d ed. 1860); Vergleichende Untersuchungen über den Ertrag der Rotbuche (2d ed. 1851). In collaboration with his father, Georg Ludwig Hartig, he also published the work entitled, Forstliches und naturwissenschaftliches Konversationslexikon. The eleventh edition of his father's Lehrbuch für Förster, the later reprints of which he had revised, was published in 1877.