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insecticides

(Encyclopedia)insecticides, chemical, biological, or other agents used to destroy insect pests; the term commonly refers to chemical agents only. The liabilities of chemical insecticides have encouraged interest ...

Arber, Werner

(Encyclopedia)Arber, Werner vĕrˈnər ärˈbər [key], 1929–, Swiss microbiologist. A professor at the Univ. of Geneva (1960–70) and later at the Univ. of Basel (1971–), Arber worked with Daniel Nathans and ...

Daytona Beach

(Encyclopedia)Daytona Beach dātōˈnə [key], city (2020 pop. 72,647), Volusia co., NE Fla., on the Atlantic ...

Petraeus, David Howell

(Encyclopedia)Petraeus, David Howell pĕtrāˈəs [key], 1952–, American military officer and government official, b. Cornwall, N.Y., studied West Point (B.S., 1974), U.S. Army Command and General Staff College (...

Samson

(Encyclopedia)Samson, in the Bible, judge of Israel. His long hair was a symbol of his vows to God, and because of this covenant Samson was strong. The enemies of his people, the Philistines, accomplished his destr...

Langtry, Lillie

(Encyclopedia)Langtry, Lillie, 1853–1929, English actress, b. Jersey, Channel Islands; known as the Jersey Lily. One of the first English women of elevated social rank to go on the stage, she made her debut at th...

Janáček, Leoš

(Encyclopedia)Janáček, Leoš lĕˈôsh yäˈnächĕk [key], 1854–1928, Czech composer, theorist, and collector of Slavic folk music. He studied in Prague and Leipzig and founded a music conservatory at Brno in ...

Liliencron, Detlev, Freiherr von

(Encyclopedia)Liliencron, Detlev, Freiherr von dĕtˈlĕf frīˈhĕr fən lēˈlyənkrôn [key], 1844–1909, German lyric poet, b. Schleswig-Holstein. First a Prussian army officer and later a minor government off...

Profumo, John Dennis

(Encyclopedia)Profumo, John Dennis, 1915–2006, British politician. After studying at Harrow and Oxford, he entered Parliament as a Conservative member in 1940 and left in 1945 for an appointment as chief of staff...

Szechenyi, Count Stephen

(Encyclopedia)Szechenyi, Count Stephen sāˈchĕnyē [key], Hung. Széchenyi István, 1791–1860, Hungarian politician. Influenced by his studies in England, he championed the modernization of Hungarian economic, ...