Personality Scholar thumb|A student draws his professor of mathematics: Caricature of Abraham Gotthelf Kästner by Gauss (1795) thumb|upright|A student draws his professor of mathematics: Gauss sketched by his student Johann Benedict Listing, 1830 In the first two decades of the 19th century, Gauss was the only important mathematician in Germany, comparable to the leading French ones; his Disquisitiones Arithmeticae was the first mathematical book from Germany to be translated into the French language.
Personality Scholar thumb|A student draws his professor of mathematics: Caricature of Abraham Gotthelf Kästner by Gauss (1795) thumb|upright|A student draws his professor of mathematics Gauss sketched by his student Johann Benedict Listing, 1830 In the first two decades of the 19th century, Gauss was the only important mathematician in Germany comparable to the leading French ones; his Disquisitiones Arithmeticae was the first mathematical book from Germany to be translated into the French language