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Espy, James Pollard

(Encyclopedia)Espy, James Pollard ĕsˈpē [key], 1785–1860, American meteorologist. He developed a convection theory of storms, explaining it in 1836 before the American Philosophical Society and in 1840 before ...

Rogers, William Barton

(Encyclopedia)Rogers, William Barton, 1804–82, American geologist and educator, b. Philadelphia, grad. William and Mary, 1822. He was professor of geology at William and Mary (1828–35) and at the Univ. of Virgi...

Santo Tomás, University of

(Encyclopedia)Santo Tomás, University of sänˈtō tōmäsˈ [key], at Manila, the Philippines; Roman Catholic, coeducational; founded 1611 by Dominican priests. It is the oldest institution of higher learning in ...

San Marcos, University of

(Encyclopedia)San Marcos, University of, at Lima, Peru; the first university in South America; founded 1551 by the Spanish king Charles I (Holy Roman Emperor Charles V) and recognized by papal bull in 1571; closed ...

Walton, Ernest Thompson Sinton

(Encyclopedia)Walton, Ernest Thompson Sinton, 1903–95, Irish physicist, educated at Methodist College (Belfast), Trinity College (Dublin), and Cambridge. He became a fellow of Trinity College in 1934 and professo...

Abbo of Fleury

(Encyclopedia)Abbo of Fleury äbōˈ, flörēˈ [key], Fr. Abbon de Fleury, 945?–1004, French monk at the abbey of Fleury (at present-day Saint-Benoît-sur-Loire, France). Head of the monastery school, he later t...

Bridgman, Percy Williams

(Encyclopedia)Bridgman, Percy Williams, 1882–1961, American physicist, b. Cambridge, Mass., grad. Harvard (B.A., 1904; Ph.D., 1908). From 1910 he taught at Harvard, as professor from 1919. He won the 1946 Nobel P...

witchcraft

(Encyclopedia)witchcraft, a form of sorcery, or the magical manipulation of nature for self-aggrandizement, or for the benefit or harm of a client. This manipulation often involves the use of spirit-helpers, or fam...

lares

(Encyclopedia)lares lârˈēz [key], in Roman religion, guardian spirits. According to some they were ghosts of the dead, destructive spirits who frequented crossroads and had to be propitiated. Others say that the...

maenads

(Encyclopedia)maenads mēˈnădz [key], in Greek and Roman religion and mythology, female devotees of Dionysus. They roamed mountains and forests, adorned with ivy and skins of animals, waving the thyrsus. When the...