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Willis Tower

(Encyclopedia)Willis Tower, formerly the Sears Tower, Chicago, the second tallest building in the United States. Until the completion of the 1,483-ft (452-m) Petronas Towers (1998) in Kuala Lumpur, Malaysia, it was...

cryptography

(Encyclopedia)cryptography krĭptŏgˈrəfē [key] [Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but t...

Ulanova, Galina

(Encyclopedia)Ulanova, Galina gälyēˈnə o͞oläˈnōvə [key], 1910–98, Russian ballerina, b. St. Petersburg. Ulanova made her debut at the Kirov Ballet (1928), where she danced until 1944. That year she becam...

Urdu

(Encyclopedia)Urdu o͞orˈdo͞o [key], language belonging to the Indic group of the Indo-Iranian subfamily of the Indo-European family of languages. The official tongue of Pakistan, Urdu is also one of the 15 langu...

Douglas, Kirk

(Encyclopedia)Douglas, Kirk, 1916–2020, American film actor, b. Amsterdam, N.Y., as Issur Danielovitch, later Isadore Demsky. A leading man with a muscular physique and handsome cleft-chin face that made him a na...

Deventer, Sir Jacob Louis van

(Encyclopedia)Deventer, Sir Jacob Louis van yäˈkōp lo͞oēˈ fän dĕfˈəntər [key], 1874?–1922, Boer general. In the South African War he commanded guerrilla forces in the Cape Colony. During World War I he...

Duhamel du Monceau, Henri Louis

(Encyclopedia)Duhamel du Monceau, Henri Louis äNrēˈ lwē düämĕlˈ dü môNsōˈ [key], 1700–1782, French agriculturist and tree expert. He did experimental work on plant physiology and ecology and wrote The...

Failly, Pierre Louis Charles de

(Encyclopedia)Failly, Pierre Louis Charles de pyĕr lwē shärl də fāyēˈ [key], 1810–92, French general. He fought in Algeria, in the Crimean War, and at Magenta and Solferino (1859) in the Italian War. Headi...

Freycinet, Louis Claude Desaulses de

(Encyclopedia)Freycinet, Louis Claude Desaulses de də frāsēnāˈ [key], 1779–1842, French marine officer. He was assigned (1800) to a French exploring expedition in Australian waters; after his return to Pari...

Géricault, Jean Louis André Théodore

(Encyclopedia)Géricault, Jean Louis André Théodore zhäN lwē äNdrāˈ tāōdôrˈ zhārēkōˈ [key], 1791–1824, French painter. He studied with Antoine Vernet and with Pierre Guérin, in whose studio he met...