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ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

spinet

(Encyclopedia)spinet, musical instrument of the harpsichord family. Although the terms virginal and spinet, interchangeable until the end of the 17th cent., were sometimes used indiscriminately to designate any har...

Campanella, Tommaso

(Encyclopedia)Campanella, Tommaso tōm–mäˈzō kämpänĕlˈlä [key], 1568–1639, Italian Renaissance philosopher and writer. He entered the Dominican order at the age of 15, and although he was frequently in ...

Barnardo, Thomas John

(Encyclopedia)Barnardo, Thomas John bərnärˈdō [key], 1845–1905, British social reformer. Pioneering in the care of destitute children, he founded (1867) in London the East End Juvenile Mission. In 1870, with ...

Hopkins, Mark, American educator

(Encyclopedia)Hopkins, Mark, 1802–87, American educator, b. Stockbridge, Mass., grad. Williams, 1824, and Berkshire Medical School, 1829. After a few months of medical practice he returned (1830) to Williams as p...

Cushing's disease

(Encyclopedia)Cushing's disease: see Cushing, Harvey Williams. ...

Munro, H. H.

(Encyclopedia)Munro, H. H. (Hector Hugh Munro), pseud. Saki säˈkē [key], 1870–1916, English author, b. Burma (now Myanmar). He began his career writing political satires for the Westminster Gazette, and from 1...

French horn

(Encyclopedia)CE5 French horn French horn, brass wind musical instrument. Fundamentally a metal tube of narrow conical bore, it is curved into circles because of its great length. The horn ends in a wide flare....

Bedford, Brian

(Encyclopedia)Bedford, Brian, 1935–2016, English actor, b. Morley, Yorkshire; studied Royal Academy of Dramatic Art, London. During his long career, Bedford, who was adept at both tragedy and comedy, performed on...

Gaveston, Piers

(Encyclopedia)Gaveston, Piers pērz găvˈəstən [key], d. 1312, favorite of Edward II of England. Son of a Gascon knight at the court of Edward I, he was a boyhood playmate of the future Edward II and acquired gr...