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Dorfman, Ariel

(Encyclopedia)Dorfman, Ariel äryĕlˈ dôrfˈmän [key], 1942–, Chilean novelist, playwright, essayist, and journalist, b. Argentina. Dorfman's family moved to the United States shortly after his birth, settling...

Hemings, Sally

(Encyclopedia)Hemings, Sally, 1773–1835, African-American slave owned by Thomas Jefferson, b. Charles City co., Va.; her original name was probably Sarah. Her father was John Wayles, Jefferson's father-in-law; he...

Hatta, Mohammad

(Encyclopedia)Hatta, Mohammad hătˈə [key], 1902–80, Indonesian political leader. He was born on Sumatra into an aristocratic family. Interested in economics, he went to the Netherlands to study. There he joine...

Gish, Lillian

(Encyclopedia)Gish, Lillian, 1896–1993, American stage and movie actress, b. Springfield, Ohio. In 1912 she began her film career with D. W. Griffith. A fragile, delicate beauty, Gish often played a heroine rescu...

Gaucher's disease

(Encyclopedia)Gaucher's disease gōshāzˈ [key], rare genetic disease involving a deficiency of an enzyme, glucocerebrosidase, which normally breaks down certain body glycolipids (i.e., lipids (fats) that have a s...

Olaf II

(Encyclopedia)Olaf II (Saint Olaf), c.995–1030, king of Norway (1015–28). He is also called Olaf the Stout or Olaf the Fat. He spent part of his early life in England and helped Æthelred fight the Danes. He wa...

artificial insemination

(Encyclopedia)artificial insemination, technique involving the artificial injection of sperm-containing semen from a male into a female to cause pregnancy. Artificial insemination is often used in animals to multip...

lobefin

(Encyclopedia)lobefin, common name for any of a group of lunged, fleshy-finned, bony fishes, also called crossopterygians, that were dominant in the Devonian period and may have given rise to amphibians. They had h...

Whitney, Eli

(Encyclopedia)Whitney, Eli, 1765–1825, American inventor of the cotton gin, b. Westboro, Mass., grad. Yale, 1792. When he was staying as tutor at Mulberry Grove, the plantation of Mrs. Nathanael Greene, Whitney w...

wisent

(Encyclopedia)wisent vēˈsənt [key], name for the European bison, Bison bonasus. It is a close relative of the American bison, B. bison. Longer legged and less heavily built than its American cousin, the wisent m...