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Bell, Daniel

(Encyclopedia)Bell, Daniel, 1919–2011, American sociologist, b. New York City as Daniel Bolotsky, grad. City College (1939), Columbia (Ph.D., 1960). His immigrant parents changed their surname when he was 13. Bel...

Thomson, Sir George Paget

(Encyclopedia)Thomson, Sir George Paget, 1892–1975, English physicist; son of Sir Joseph John Thomson. He was professor of natural philosophy at the Univ. of Aberdeen (1922–30) and from 1930 to 1952 was profess...

Sillanpää, Frans Eemil

(Encyclopedia)Sillanpää, Frans Eemil fräns āˈmĭl sĭlˈlänpăˌ [key], 1888–1964, Finnish novelist. As a young man Sillanpää studied natural science at Helsinki and came under the influence of an artisti...

special effects

(Encyclopedia)special effects, in motion pictures, cinematographic techniques that create illusions in the audience's minds as well as the illusions created using these techniques. Some common examples are the use ...

Spengler, Oswald

(Encyclopedia)Spengler, Oswald spĕngˈglər, Ger. ôsˈvält shpĕngˈglər [key], 1880–1936, German historian and philosopher. His studies covered many fields, among them mathematics, science, philosophy, histo...

podiatry

(Encyclopedia)podiatry pōdīˈətrē, pə– [key], science concerned with disorders, diseases, and deformities of the feet, also called chiropody. Podiatrists treat such common conditions as bunions, corns and ca...

Bailly, Jean Sylvain

(Encyclopedia)Bailly, Jean Sylvain zhäN sēlvăNˈ bäyēˈ [key], 1736–93, French astronomer and politician. His works on astronomy and on the history of science (notably the Essai sur la théorie des satellite...

Phillips, Ulrich Bonnell

(Encyclopedia)Phillips, Ulrich Bonnell, 1877–1934, American historian, an authority on the antebellum South, b. La Grange, Ga. After teaching at the Univ. of Wisconsin (1902–8), he was professor of history and ...

photonics

(Encyclopedia)photonics, the science and technology based on and concerned with the controlled flow of photons, or light particles. It is the optical equivalent of electronics, and the two technologies coexist in s...

Carey, Henry Charles

(Encyclopedia)Carey, Henry Charles, 1793–1879, American economist, b. Philadelphia; son of Mathew Carey. In 1835 he retired from publishing, where he had done notable work, to devote himself to economics. His Pri...