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Lilienthal, David Eli

(Encyclopedia)Lilienthal, David Eli lĭlˈyənthôl [key], 1899–1981, American public official, b. Morton, Ill. He was admitted (1923) to the bar, practiced law, and was appointed by Gov. Philip La Follette to th...

Owens, Jesse

(Encyclopedia)Owens, Jesse, 1913–80, U.S. track star, b. Alabama. He was also called John Cleveland Owens, although his original name was said to be simply J. C. Owens. After his family moved to Cleveland he exce...

Brown v. Board of Education of Topeka, Kans.

(Encyclopedia)Brown v. Board of Education of Topeka, Kans., case decided by the U.S. Supreme Court in 1954. Linda Brown was denied admission to her local elementary school in Topeka because she was black. When, com...

lever

(Encyclopedia)CE5 Classes of levers: A first-class lever (A), a second-class lever (B), and a third-class lever (C) lever, simple machine consisting of a bar supported at some stationary point along its length ...

Yameen, Abdullah

(Encyclopedia)Yameen, Abdullah (Abdullah Yameen Abdul Gayoom), 1959–, Maldivian politician, president of the Maldives (2013–18). The half-brother of Maumoon Abdul Gayoom, who was president from 1978 to 2008, Ya...

Henderson, Leon

(Encyclopedia)Henderson, Leon, 1895–1986, American economist, administrator of the Office of Price Administration (1941–42), b. Millville, N.J. An official of the Russell Sage Foundation (1925–34), Henderson ...

Bellows, Henry Whitney

(Encyclopedia)Bellows, Henry Whitney, 1814–82, American clergyman, b. Boston. From 1839 until his death he was pastor of the First Congregational Society, Unitarian (later Church of All Souls) in New York City. B...

Singleton, Benjamin

(Encyclopedia)Singleton, Benjamin, c. 1809–c. 1900, African-American leader of post–Civil War black resettlement in the West, b. Davidson co. (now coextensive with Nashville), Tenn. He escaped slavery in 1846, ...

horsepower

(Encyclopedia)horsepower, unit of power in the English system of units. It is equal to 33,000 foot-pounds per minute or 550 foot-pounds per second or approximately 746 watts. The term horsepower originated with Jam...

Pascal's law

(Encyclopedia)Pascal's law päskälzˈ [key] [for Blaise Pascal], states that pressure applied to a confined fluid at any point is transmitted undiminished throughout the fluid in all directions and acts upon every...