(Encyclopedia) Euclid of MegaraEuclid of Megaray&oomacr;ˈklĭd, [key]Euclid of Megaramĕgˈərə [key], c.450–c.375 b.c., Greek philosopher, a disciple of Socrates and traditional founder of the…
(Encyclopedia) Elizabeth of ValoisElizabeth of Valoisvălˈwä, Fr. välwäˈ [key], 1545–68, queen of Spain, daughter of Henry II of France. Originally intended to wed Don Carlos, son of Philip II of…
(Encyclopedia) Milic of KremsierMilic of Kremsiermēˈlēch, krāmˈzēr [key], d. 1374, Bohemian reformer. He was a Roman Catholic priest. In 1363 he began a career of preaching in Moravia as well as in…
(Encyclopedia) Eudoxus of CnidusEudoxus of Cnidusy&oomacr;dŏkˈsəs, nīˈdəs [key], 408?–355? b.c., Greek astronomer, mathematician, and physician. From the accounts of various ancient writers, he…
(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) Adolf of NassauAdolf of Nassaunäˈsou [key], d. 1298, duke of Luxembourg, German king (1292–98). He owed his election to the ecclesiastical electors, who, fearing the growing power and…
(Encyclopedia) Paris, Treaty of, any of several important treaties, signed at or near Paris, France.
For the Treaty of Paris of 1856, see Paris, Congress of. For the Treaty of Paris of 1898,…
(Encyclopedia) polarization of light, orientation of the vibration pattern of light waves in a singular plane.
Unpolarized light can be converted into a single polarized beam by means of the Nicol…
(Encyclopedia) Library of Congress, national library of the United States, Washington, D.C., est. 1800. It occcupies three buildings on Capitol Hill: The Thomas Jefferson Building (1897), the John…
(Encyclopedia) Eleanor of AquitaineEleanor of Aquitaineăkwĭtānˈ, ăkˈwĭtān [key], 1122?–1204, queen consort first of Louis VII of France and then of Henry II of England. Daughter and heiress of…