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Agapemone

(Encyclopedia)Agapemone ăgəpĕmˈənē [key] [Gr.,=abode of love], English religious community of men and women, holding all goods in common. It was founded (c.1850) at the village of Spaxton, Somerset, by Henry ...

Birkeland, Kristian

(Encyclopedia)Birkeland, Kristian or Olaf Christian krĭsˈtyän bērˈkəlän, ōˈläv [key], 1867–1917, Norwegian physicist. From 1898 Birkeland was a professor at the Univ. of Christiania (now Oslo). Noted fo...

calculus of variations

(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...

pi

(Encyclopedia)pi, in mathematics, the ratio of the circumference of a circle to its diameter. The symbol for pi is π. The ratio is the same for all circles and is approximately 3.1416. It is of great importance in...

Lichfield

(Encyclopedia)Lichfield, town (1991 pop. 25,408) and district, Staffordshire, W central England. Lichfield is a market town with light industries, famous for its three-spired cathedral and its close associations wi...

Miliband, Ed

(Encyclopedia)Miliband, Ed (Edward Samuel Miliband), 1969–, British political leader, b. London, grad. Oxford, London School of Economics. A member of the Labour party and a close associate of Gordon Brown, the c...

Maupertuis, Pierre Louis Moreau de

(Encyclopedia)Maupertuis, Pierre Louis Moreau de pyĕr lwē môrōˈ də mōpĕrtüēˈ [key], 1698–1759, French mathematician and astronomer. For his skillful support of Newton's theory he was admitted to the Ro...

Saint John, river, United States and Canada

(Encyclopedia)Saint John, river, 418 mi (673 km) long, rising in N Maine and flowing NE to New Brunswick, Canada, then SE below Edmundston, past St. Leonard, Grand Falls, Woodstock, and Fredericton to the Bay of Fu...

Tennent, Gilbert

(Encyclopedia)Tennent, Gilbert, 1703–64, American Presbyterian clergyman, leading preacher of the Great Awakening, b. Ireland; son of William Tennent. He moved with his parents to Pennsylvania c.1718. Installed a...

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