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Peter the Cruel

(Encyclopedia)Peter the Cruel, 1334–69, Spanish king of Castile and León (1350–69), son and successor of Alfonso XI. His desertion of his wife, Blanche of Bourbon, for María Padilla and his favors to the Padi...

Henry V, Holy Roman emperor and German king

(Encyclopedia)Henry V, 1081–1125, Holy Roman emperor (1111–25) and German king (1105–25), son of Henry IV. Crowned joint king with his father in 1099, he put himself at the head of the party desiring reconcil...

Chrysler Building

(Encyclopedia)Chrysler Building, in midtown Manhattan, New York City, at Lexington Ave. between 42d and 43d St. The ultimate art deco-style skyscraper, it was commissioned by Walter P. Chrysler, designed by William...

Pepper, Beverly

(Encyclopedia)Pepper, Beverly, American sculptor, b. Brooklyn, N.Y. She lived in Italy from the 1950s. Pepper began as a social realist painter but soon turned to sculpture, inspired by the carvings at Angkor Wat (...

Bethlehem, city, United States

(Encyclopedia)Bethlehem, city (2020 pop. 75,781), Northampton and Lehigh counties, E Pa., on the Lehigh R. near Allentown and Easton; inc. as a city 1917. Local manuf...

Catherine of Valois

(Encyclopedia)Catherine of Valois vălˈwä, Fr. välwäˈ [key], 1401–37, queen consort of Henry V of England, daughter of Charles VI of France. Married in 1420, she bore Henry the son who was to become Henry VI...

Épernon, Jean Louis de Nogaret, duc d'

(Encyclopedia)Épernon, Jean Louis de Nogaret, duc d' zhäN lwē də nōgärāˈ dük dāpĕrnôNˈ [key], 1554–1642, French nobleman. He distinguished himself during the civil wars at the beginning of the reign ...

Deere, John

(Encyclopedia)Deere, John, 1804–86, American industrialist, manufacturer of agricultural implements, b. Rutland, Vt. He was one of the pioneers of the steel plow industry. A blacksmith by trade, he established (1...

fatigue, in engineering

(Encyclopedia)fatigue, in engineering, microscopic cracking of materials, especially metals, after repeated applications of stress. Fissures may be formed within pieces of metal during their manufacture when, while...

hardening

(Encyclopedia)hardening, in metallurgy, treatment of metals to increase their resistance to penetration. A metal is harder when it has small grains, which result when the metal is cooled rapidly. Sometimes small ar...