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Perley, Sir George Halsey

(Encyclopedia)Perley, Sir George Halsey, 1857–1938, Canadian statesman, b. Lebanon, N.H. As a child, he moved with his parents to Ottawa. In 1904 he was elected to the Canadian House of Commons as a Conservative,...

Salisbury, Robert Arthur Talbot Gascoyne-Cecil, 3d marquess of

(Encyclopedia)Salisbury, Robert Arthur Talbot Gascoyne-Cecil, 3d marquess of sôlzˈbərē [key], 1830–1903, British statesman. He entered Parliament in 1853 as a Conservative and devoted himself for 50 years to ...

cinéma vérité

(Encyclopedia)cinéma vérité, a style of filmmaking that attempts to convey candid realism. Often employing lightweight, hand-held cameras and sound equipment, it shows people in everyday situations and uses auth...

calcium hydroxide

(Encyclopedia)calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. ...

safety lamp

(Encyclopedia)safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to Sir Humphry Davy...

Euler-Chelpin, Hans Karl August Simon von

(Encyclopedia)Euler-Chelpin, Hans Karl August Simon von, 1873–1964, Swedish biochemist, b. Germany, Ph.D. Univ. of Berlin, 1895. He spent his entire career at Stockholm Univ., first as professor and later as dire...

Firbank, Ronald

(Encyclopedia)Firbank, Ronald (Arthur Annesley Ronald Firbank), 1886–1926, English author. Of a delicate and eccentric nature, Firbank lived the life of a leisured aesthete. His novels, which have appealed to a s...

Fox, Dixon Ryan

(Encyclopedia)Fox, Dixon Ryan, 1887–1945, American historian and educator, b. Potsdam, N.Y. He taught at Columbia from 1912 to 1934, becoming full professor in 1927. From 1934 until his death he was president of ...

Heaviside, Oliver

(Encyclopedia)Heaviside, Oliver hĕvˈēsīdˌ [key], 1850–1925, English physicist. He did valuable work in telephony and in the theory of electrical conduction in cables and other areas of electric theory. He su...

Gresham, Walter Quintin

(Encyclopedia)Gresham, Walter Quintin grĕshˈəm [key], 1832–95, American public official, b. Harrison co., Ind. A lawyer, he entered politics as a Whig and helped organize the Republican party. President Grant ...