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Blavatsky, Helena Petrovna

(Encyclopedia)Blavatsky, Helena Petrovna blətvătˈskē [key], 1831–91, Russian theosophist and occultist. She was the daughter of a German named Hahn who had settled in Russia and who was distantly connected wi...

Stockhausen, Karlheinz

(Encyclopedia)Stockhausen, Karlheinz kärlˈhīnts shtôkˈhouzən [key], 1928–2007, German composer, music theorist, and teacher; his first name also appears as Karl Heinz. He studied composition with Frank Mart...

Rhode Island, state, United States

(Encyclopedia)CE5 Rhode Island, smallest state in the United States, located in New England; bounded by Massachusetts (N and E), the Atlantic Ocean (S), and Connecticut (W). Until well into the 20th cent. ...

neural network

(Encyclopedia)neural network or neural computing, computer architecture modeled upon the human brain's interconnected system of neurons. Neural networks imitate the brain's ability to sort out patterns and learn fr...

Spenser, Edmund

(Encyclopedia)Spenser, Edmund, 1552?–1599, English poet, b. London. He was the friend of men eminent in literature and at court, including Gabriel Harvey, Sir Philip Sidney, Sir Walter Raleigh, and Robert Sidney,...

Warren Commission

(Encyclopedia)Warren Commission, popular name given to the U.S. Commission to Report upon the Assassination of President John F. Kennedy, established (Nov. 29, 1963) by executive order of President Lyndon B. Johnso...

Lispector, Clarice

(Encyclopedia)Lispector, Clarice klârˈĭs lēspĕkˈtər [key], 1920–77, Brazilian author, b. i...

Margaret of Valois

(Encyclopedia)Margaret of Valois välwäˈ [key], 1553–1615, queen of France and Navarre, daughter of King Henry II of France and of Catherine de' Medici. She was known as Queen Margot. Her wedding (1572) with He...

Sayles, John

(Encyclopedia)Sayles, John (John Thomas Sayles), 1950–, one of America's most influential independent filmmakers as well as a screenwriter, fiction writer, playwright, and actor, b. Schenectady, N.Y., grad. Willi...

Dance Theatre of Harlem

(Encyclopedia)Dance Theatre of Harlem, the first black classical ballet company. The group was founded in Harlem, New York City, by Arthur Mitchell, then of the New York City Ballet, the first African-American prin...