(Encyclopedia) Constance, 1154–98, Holy Roman empress, wife of Holy Roman Emperor Henry VI; daughter of King Roger II of Sicily. She was named heiress of Sicily by her nephew King William II. On his…
(Encyclopedia) Clarke, John, 1609–76, one of the founders of Rhode Island, b. Westhorpe, Suffolk, England. He emigrated to Boston in 1637 and shortly thereafter joined Anne Hutchinson (with whom he…
(Encyclopedia) Ellsworth, Oliver, 1745–1807, American political leader, 3d chief justice of the United States (1796–1800), b. Windsor, Conn. A Hartford lawyer, he was (1778–83) a member of the…
(Encyclopedia) Mortimer, Edmund de, 3d earl of March and 1st earl of UlsterMortimer, Edmund de, 3d earl of March and 1st earl of Ulsterdə môrˈtĭmər [key], 1351–81, English nobleman. He succeeded (…
(Encyclopedia) Mortimer, Edmund de, 5th earl of March and 3d earl of Ulster, 1391–1425, English nobleman, son of Roger de Mortimer, 4th earl of March. He succeeded (1398) his father not only as earl…
(Encyclopedia) Matthew of Paris or Matthew Paris, d. 1259, English historian, a monk of St. Albans. He became the historiographer of the convent after the death (c.1236) of Roger of Wendover. The…
(Encyclopedia) Parks, Gordon (Gordon Roger Alexander Buchanan Parks), 1912–2006, African-American photographer, filmmaker, writer, and composer, b. Fort Scott, Kans. Parks purchased his first camera…
(Encyclopedia) Woodbury, Levi, 1789–1851, American cabinet officer and jurist, associate justice of the U.S. Supreme Court (1845–51), b. Hillsboro, co., N.H. Important as a politician and jurist in…
(Encyclopedia) Bonnard, PierreBonnard, Pierrepyĕr bônärdˈ [key], 1867–1947, French painter, lithographer, and illustrator. In the 1890s he was associated with the Nabis. His delight in familiar views…
COMMON PARTICLESMINERAL MIXTURESPARTICLE SIZESOLUTIONSFIND OUT MOREAlmost everything is made of different substances mixed together. Things are only easy to recognize as mixtures if the PARTICLE…