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Sargent, Henry

(Encyclopedia)Sargent, Henry, 1770–1845, American genre and portrait painter, b. Gloucester, Mass., studied in London with Benjamin West. He was skilled in the rendering of textures and accessories. Fine examples...

Gay-Lussac, Joseph Louis

(Encyclopedia)Gay-Lussac, Joseph Louis zhôzĕfˈ lwē gā-lüsäkˈ [key], 1778–1850, French chemist and physicist. He was professor in Paris at the Sorbonne, at the Polytechnic School, and at the Jardin des Pla...

photon

(Encyclopedia)photon fōˈtŏn [key], the particle composing light and other forms of electromagnetic radiation, sometimes called light quantum. The photon has no charge and no mass. About the beginning of the 20th...

Nash, John Henry

(Encyclopedia)Nash, John Henry, 1871–1947, American printer and bibliophile, b. Woodbridge, Canada. After learning the printer's trade, he emigrated to the United States in 1894. He eventually became professor of...

Rusk, Jeremiah McLain

(Encyclopedia)Rusk, Jeremiah McLain, 1830–93, American political leader, b. Malta, Ohio. He became a farmer in Wisconsin, where he entered politics and held numerous offices. After serving in the Civil War, he wa...

Ferrier, Kathleen

(Encyclopedia)Ferrier, Kathleen, 1912–53, British contralto, b. Higher Walton, Lancashire. Ferrier began voice lessons at 25. She became known for her rich, expressive, and remarkably low voice. Her celebrated pe...

MacMillan, David W.C.

(Encyclopedia)MacMillan, David W.C., 1968–, b. Bellshill, U.K. Scotish chemist, James S. McDonnell Distiguished University Professor in Chemistry and ...

E Pluribus Unum

(Encyclopedia)E Pluribus Unum ē plo͝orˈĭbəs yo͞oˈnəm [key] [Lat.,=one made out of many], motto on the Great Seal of the United States and on many U.S. coins. Although selected in 1776 by Benjamin Franklin, ...

Neopaganism

(Encyclopedia)Neopaganism, polytheistic religious movement, practiced in small groups by partisans of pre-Christian religious traditions such as Egyptian, Greek, Norse, and Celtic. Neopagans fall into two broad cat...

Lloyd, David

(Encyclopedia)Lloyd, David, c.1656–1731, political leader in colonial Pennsylvania, b. Wales. Having been commissioned attorney general of Pennsylvania by William Penn, Lloyd arrived in Philadelphia in 1686. He l...