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Becker, Carl Lotus

(Encyclopedia)Becker, Carl Lotus, 1873–1945, American historian, b. Blackhawk co., Iowa. He taught history at Dartmouth College (1901–2), at the Univ. of Kansas (1902–16), and at Cornell (1917–41). After re...

tranquilizer

(Encyclopedia)tranquilizer, drug whose action calms the central nervous system, decreasing emotional agitation without impairing alertness. Tranquilizing drugs differ from hypnotic drugs such as barbiturates in tha...

Rivlin, Alice M.

(Encyclopedia)Rivlin, Alice M., 1931–2019, American economist, b. Philadelphia as Georgianna Alice Mitchell, Ph.D. Harvard, 1958. Rivlin was affiliated with the Brookings Institution at various times from 1957 un...

separator, cream

(Encyclopedia)separator, cream, dairy machine used to separate fresh whole milk into cream and skim milk. Formerly the separation was made by the gravity method, allowing the cream to rise to the top of a pan and t...

Barron, James

(Encyclopedia)Barron, James, 1768–1851, U.S. naval officer, b. Hampton, Va. Of a seafaring family, he served in the Virginia navy in the Revolution, entered the U.S. navy as a lieutenant in 1798, and held command...

Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Chesapeake, ship

(Encyclopedia)Chesapeake, U.S. frigate, famous for her role in the Chesapeake affair (June 22, 1807) and for her battle with the H.M.S. Shannon (June 1, 1813). The Chesapeake left Norfolk, Va., for the Mediterranea...

Cleon

(Encyclopedia)Cleon klēˈən [key], d. 422 b.c., Athenian political leader. The son of a tanner, he had little education; nevertheless, he was a gifted speaker. He began his political career with a series of relen...

Divine, Father

(Encyclopedia)Divine, Father, c.1882–1965, African-American religious leader, founder of the Peace Mission movement, b. probably near Savannah, Ga. and named George Baker. After preaching in the South, he moved t...

ambivalence

(Encyclopedia)ambivalence ămbĭvˈələns [key], coexistence of two opposing drives, desires, feelings, or emotions toward the same person, object, or goal. The ambivalent person may be unaware of either of the op...