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Torrey, John

(Encyclopedia)Torrey, John, 1796–1873, American botanist and chemist, b. New York City, M.D. College of Physicians and Surgeons, 1818. He was professor of chemistry (1827–55) at his alma mater and professor of ...

Ségou

(Encyclopedia)Ségou or Segu both: sāgo͞oˈ [key], town (1993 est. pop. 85,000), SW Mali, a port on the Niger River. It is the administrative and commercial center for an area where cotton, rice, millet, and pean...

Chaillé-Long, Charles

(Encyclopedia)Chaillé-Long, Charles shäyāˈ-lông [key], 1842–1917, American soldier, African explorer, and writer, b. Princess Anne, Md. After serving in the Civil War, he was commissioned (1869) in the Egypt...

Davis, Chuck

(Encyclopedia)Davis, Chuck (Charles Rudolph Davis), 1937–2017), American dancer, choreographer, and proponent of African dance, b. Raleigh, N.C. After serving in the navy, Davis studied with Martha Graham, Alvin ...

Alfonso I, king of Aragón and Navarre

(Encyclopedia)Alfonso I (Alfonso the Battler) ălfŏnˈsō, äl– [key], d. 1134, king of Aragón and Navarre (1104–34), brother and successor of Peter I. The husband of Urraca, queen of Castile, he fought unsuc...

algorithm

(Encyclopedia)algorithm –rĭzˌəm [key] [for Al-Khowarizmi], a clearly defined procedure for obtaining the solution to a general type of problem, often numerical. Much of ordinary arithmetic as traditionally tau...

Essaouira

(Encyclopedia)Essaouira ĕsəwērˈə [key], city, W Morocco, on the Atlantic Ocean. Essaouira's pleasant climate and picturesque location, buildings, and ruins have made it a tourist resort. Fishing and cabinetry ...

Tsvetayeva, Marina Ivanovna

(Encyclopedia)Tsvetayeva or Tsvetaeva, Marina Ivanovna tsvyĭtäˈyəvə [key], 1892–1941, Russian poet. She was a major Russian poet, who survived the civil war, emigrated to Prague and Paris, and returned to Ru...

Pousette-Dart, Richard

(Encyclopedia)Pousette-Dart, Richard, 1916–92, American painter, b. St. Paul, Minn. The son of an artist and a poet and largely self-taught, he was a member of the first generation of abstract expressionism. He l...

Ohr, George Edgar

(Encyclopedia)Ohr, George Edgar, 1857–1918, American ceramist, often considered the first art potter in the United States, b. Biloxi, Miss. He apprenticed in New Orleans, traveled to potteries in 16 states to obs...