(Encyclopedia) RegiomontanusRegiomontanusrēˌjēōmŏnˌtāˈnəs [key] [Lat.,=belonging to the royal mountain, i.e., to Königsberg], 1436–76, German astronomer and mathematician, b. Königsberg. His original…
(Encyclopedia) Bürgi, Joost or Jost, 1552–1632, Swiss mathematician and instrument maker. As the official clockmaker (1579–92) to Duke Wilhelm IV of Hesse-Kassell, he developed the first clock with a…
(Encyclopedia) mantle, portion of the earth's interior lying beneath the crust and above the core. No direct observation of the mantle, or its upper boundary, has been made; its boundaries have been…
(Encyclopedia) British Library, national library of Great Britain, located in London; one of the world's great libraries. Long a part of the British Museum, the library collection originated in 1753…
(Encyclopedia) Menelik IIMenelik IImĕnˈəlĭk [key], 1844–1913, emperor of Ethiopia after 1889. He was originally ras (ruler) of Shoa (central Ethiopia). After the death (1868) of Emperor Tewodros II,…
(Encyclopedia) Ruysbroeck, John, Dutch Jan van RuusbroecRuysbroeck, John,yän vän roisˈbr&oomacr;k [key], 1293–1381, Roman Catholic mystic, b. Brabant (now in Belgium and the Netherlands). He was…
(Encyclopedia) reading, process of mentally interpreting written symbols. Facility in reading is an essential factor in educational progress, and instruction in this basic skill is a primary purpose…
Notable Protestant Religious Leaders Billy Graham See also Notable African-American Religious Leaders People in the NewsRecent Obituaries Related Links Christianity…
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