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cinnabar

(Encyclopedia)cinnabar sĭnˈəbär [key], mineral, the sulfide of mercury, HgS. Deep red in color, it is used as a pigment (see vermilion), but principally it is a source of the metal mercury. It is mined in Spain...

siderite

(Encyclopedia)siderite kălˈĭbīt [key], a mineral, varying in color from brown, green, or gray to black and occurring in nature in massive and crystalline form. A carbonate of iron, FeCO3, it serves as an iron o...

Perkin, Sir William Henry

(Encyclopedia)Perkin, Sir William Henry, 1838–1907, English chemist. In 1856 he discovered the first aniline dye (aniline purple, known as mauve and mauveine); by founding a factory to make it, Perkin established...

Worcester ware

(Encyclopedia)Worcester ware, ceramic ware, first manufactured in 1751, when the Lowdin pottery was moved from Bristol to Worcester. Soft paste was employed, and tea services, vases, armorial mugs, and portrait pla...

Southdown sheep

(Encyclopedia)Southdown sheep, mutton breed of sheep originated on the South Downs of Sussex, England, and now raised throughout the world. It is a small sheep, the most thickset of all breeds, and it is valued for...

Kandinsky, Wassily

(Encyclopedia)Kandinsky, Wassily or Vasily kăndĭnˈskē, Rus. vəsēˈlyē kəndyēnˈskē [key], 1866–1944, Russian abstract painter and theorist. Usually regarded as the originator of abstract art, Kandinsky ...

Makart, Hans

(Encyclopedia)Makart, Hans häns mäˈkärt [key], 1840–84, Austrian history painter, studied with Karl von Piloty. His early success was phenomenal. The emperor of Austria provided him with a studio, and his sho...

marcasite

(Encyclopedia)marcasite märˈkəsīt [key] or white iron pyrites, a mineral closely resembling and having the same chemical composition (FeS2) as pyrite. It differs from pyrite in that it is paler in color, become...

Keppler, Joseph

(Encyclopedia)Keppler, Joseph, 1838–94, American cartoonist, b. Vienna. Emigrating to America in 1867, he established with Adolph Schwarzmann in St. Louis a humorous German periodical, Puck (1871). Upon its failu...

Gossec, François Joseph

(Encyclopedia)Gossec, François Joseph fräNswäˈ zhôzĕfˈ gôsĕkˈ [key], 1734–1829, Belgian composer; pupil of Rameau. In 1784 he organized the École Royale de Chant and taught (1795–1816) composition at...