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Hertzsprung, Ejnar

(Encyclopedia)Hertzsprung, Ejnar īˈnär hĕrtsˈspro͞ong [key], 1873–1967, Danish astronomer. Although trained as a chemical engineer, Hertzsprung made his career in astronomy, specializing in exacting photogr...

French bulldog

(Encyclopedia)French bulldog, breed of small, alert nonsporting dog with batlike ears, developed in France in the second half of the 19th cent. It stands about 12 in. (30.4 cm) high at the shoulder and weighs from ...

German shepherd

(Encyclopedia)German shepherd, breed of large, muscular working dog perfected in Germany at the turn of the 20th cent. It stands about 25 in. (64 cm) high at the shoulder and weighs from 60 to 85 lb (27.2–38.5 kg...

ergonomics

(Encyclopedia)ergonomics, the engineering science concerned with the physical and psychological relationship between machines and the people who use them. The ergonomicist takes an empirical approach to the study o...

flint, mineral

(Encyclopedia)flint, variety of quartz that commonly occurs in rounded nodules and whose crystal structure is not visible to the naked eye. Flint is dark gray, smoky brown, or black in color; pale gray flint is cal...

fox terrier

(Encyclopedia)fox terrier, breed of long-legged terrier developed over several centuries in England. There are two varieties, the smooth and the wirehaired. The coat of the former is dense, short, and flat, while t...

Indian pipe

(Encyclopedia)Indian pipe, common name for the genus Monotropa and for the family Monotropaceae, low flowering plants of north temperate zones. They are chlorophylless saprophytes with a funguslike appearance. Each...

Irish wolfhound

(Encyclopedia)Irish wolfhound, breed of very large hound whose origins may be traced back many centuries in Ireland. The tallest of dogs, it stands about 34 in. (86.4 cm) high at the shoulder and weighs about 140 l...

Appel, Karel

(Encyclopedia)Appel, Karel käˈrəl äpˈəl [key], 1921–2006, Dutch painter. A member of CoBrA, the European group of the late 1940s to early 1950s allied with abstract expressionism, Appel reacted against the ...

Eastman, George

(Encyclopedia)Eastman, George, 1854–1932, American inventor, industrialist, and philanthropist, b. Waterville, N.Y. By mass production of his photographic inventions, Eastman enormously stimulated the development...