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May, Philip William

(Encyclopedia)May, Philip William (Phil May), 1864–1903, English pen-and-ink caricaturist, b. Leeds. After living in poverty for many years, he made numerous drawings for the St. Stephen's Review. Phil May's Wint...

mass extinction

(Encyclopedia)mass extinction, the extinction of a large percentage of the earth's species, opening ecological niches for other species to fill. There have been at least ten such events. The five greatest were thos...

Palermo stone

(Encyclopedia)Palermo stone, ancient Egyptian stone of black diorite engraved toward the end of the 5th dynasty (2565–2420 b.c.) and containing the earliest extant annals. The stone is only a small fragment of wh...

Yen Li-pen

(Encyclopedia)Yen Li-pen yŭn lē-bŭn [key], d. 673, Chinese painter, foremost master of the T'ang dynasty. He became the most celebrated court painter of the 7th cent. and held several high public offices. Althou...

Hanson, Duane

(Encyclopedia)Hanson, Duane, 1925–96, American sculptor, b. Alexandria, Minn. A member of the superrealist movement of the late 1960s and early 70s, Hanson produced life-sized tableaux of realistic figures and pr...

multiple personality

(Encyclopedia)multiple personality, a very rare psychological disorder in which a person has two or more distinct personalities, each with its own thoughts, feelings, and patterns of behavior. The personalities oft...

Cartier-Bresson, Henri

(Encyclopedia)Cartier-Bresson, Henri äNrēˈ kärtēāˈ-brĕsôNˈ [key], 1908–2004, French photojournalist, b. Chanteloup, near Paris. Cartier-Bresson is renowned for his countless memorable images of 20th-cen...

Park City

(Encyclopedia)Park City, town (1990 pop. 4,468), Summit co., N central Utah, in the Wasatch Range. A former mining town whose silver and other deposits were mined out, it was a nearly ghost town by the 1950s but ha...

plagues of Egypt

(Encyclopedia)plagues of Egypt, in the Bible, the plagues and other troubles brought on Egypt by God through the hands of Moses, because Pharaoh would not let the people of Israel go out of Egypt. The account, in t...

center of mass

(Encyclopedia)center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of t...