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Atlanta campaign

(Encyclopedia)Atlanta campaign, May–Sept., 1864, of the U.S. Civil War. In the spring of 1864, Gen. W. T. Sherman concentrated the Union armies of G. H. Thomas, J. B. McPherson, and J. M. Schofield around Chattan...

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...

Plath, Sylvia

(Encyclopedia)Plath, Sylvia, 1932–63, American poet, b. Boston. Educated at Smith College and Cambridge, Plath published poems even as a child and won many academic and literary awards. Her first volume of poetry...

Theresa, Saint (Theresa of Ávila)

(Encyclopedia)Theresa or Teresa, Saint (Theresa of Ávila) both: tĭrēˈsə, –zə [key], 1515–82, Spanish Carmelite nun, Doctor of the Church, one of the principal saints of the Roman Catholic Church, one of t...

Rilke, Rainer Maria

(Encyclopedia)Rilke, Rainer Maria rīˈnər märēˈä rĭlˈkə [key], 1875–1926, German poet, b. Prague, the greatest lyric poet of modern Germany. Rilke's first book of poetry, Leben und Lieder [life and s...

art history

(Encyclopedia)art history, the study of works of art and architecture. In the mid-19th cent., art history was raised to the status of an academic discipline by the Swiss Jacob Burckhardt, who related art to its cul...

micromechanics

(Encyclopedia)micromechanics, the combination of minuscule electrical and mechanical components in a single device less than 1 mm across, such as a valve or a motor. Although micromechanical production processes an...

rare-earth metals

(Encyclopedia)rare-earth metals, in chemistry, group of metals including those of the lanthanide series and actinide series and usually yttrium, sometimes scandium and thorium, and rarely zirconium. Promethium, whi...

Chautauqua movement

(Encyclopedia)Chautauqua movement, development in adult education somewhat similar to the lyceum movement. It derived from an institution at Chautauqua, N.Y. There, in 1873, John Heyl Vincent and Lewis Miller propo...

Gluck, Christoph Willibald von

(Encyclopedia)Gluck, Christoph Willibald von krĭsˈtôf vĭlˈēbält fən glo͝ok [key], 1714–87, German-born operatic composer. Gluck revolutionized opera by establishing lyrical tragedy as a unified vital art...