Gotthelf Fischer, a Russian naturalist, born at Waldheim, Saxony, in 1771, died in Moscow, Oct. 18, 1853. After graduating as a physician at Leipsic and holding a professorship at Mentz, he settled at Moscow in 1806, lectured at the university and medical academy, founded a museum of natural history, and published upward of 180 works, including Oryctognosie (2 vols., Moscow, 1818-'20), Oryctographie du gouvernement de Moscou (fob, 1812, with 65 engravings, and translated into Russian), and Entomographie dela Russie (3 vols., 1820-'28), translated into Latin, German, etc.