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Piaget, Jean

(Encyclopedia)Piaget, Jean zhäNpyäˈjā [key], 1896–1980, Swiss psychologist, known for his research in developmental psychology. After receiving a degree in zoology from the Univ. of Neuchâtel (1918), Piaget'...

promethium

(Encyclopedia)promethium prōmēˈthēəm [key], artificially produced radioactive chemical element; symbol Pm; at. no. 61; mass no. of most stable isotope 145; m.p. 1,042℃; b.p. 3,000℃ (estimated); sp. gr. unk...

baboon

(Encyclopedia)baboon, any of the large, powerful, ground-living monkeys of the genus Papio, also called dog-faced monkeys. Five subspecies live in Africa, with one species extending into the Arabian peninsula. They...

saga, in Old Norse Literature

(Encyclopedia)saga, in Old Norse literature, especially Icelandic and Norwegian, narrative in prose or verse, centering on a legendary or historical figure or family. Sagas may be divided into sagas of the kings, m...

Tristram and Isolde

(Encyclopedia)Tristram and Isolde trĭsˈtrəm, ĭsōlˈdə, ĭzōlˈ– [key], medieval romance. The earliest extant version (incomplete) was written (c.1185) by Thomas of Britain in Anglo-Norman French verse. Abo...

public relations

(Encyclopedia)public relations, activities and policies used to create public interest in a person, idea, product, institution, or business establishment. By its nature, public relations is devoted to serving parti...

Paisley, Ian Richard Kyle

(Encyclopedia)Paisley, Ian Richard Kyle pāzˈlē [key], 1926–2014, Northern Irish religious and political leader. For many years a leading protagonist of militant Protestantism against Roman Catholicism in North...

Vonnegut, Kurt, Jr.

(Encyclopedia)Vonnegut, Kurt, Jr. vŏnˈəgət [key] 1922–2007, American novelist, b. Indianapolis. After serving in World War II, he worked as a police reporter and wrote short stories for mainstream and science...

Vargas Llosa, Mario

(Encyclopedia)Vargas Llosa, Mario märˈyō värˈgäs yōˈsä [key], 1936–, Peruvian novelist and politician, b. Arequipa. Although his works contain much external realism, emphasizing the ugly and grotesque, h...

Smith, Alfred Emanuel

(Encyclopedia)Smith, Alfred Emanuel, 1873–1944, American political leader, b. New York City. Reared in poor surroundings, he had no formal education beyond grade school and took various jobs—including work in t...