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Cherenkov radiation

(Encyclopedia)Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...

Day, Doris

(Encyclopedia)Day, Doris, 1922–2019, American film actress, b. Cincinnati as Doris Mary Ann Kappelhoff. Day is best known for her wholesome, girl-next-door roles. She began her career as a 1940s band singer, and ...

Divine, Father

(Encyclopedia)Divine, Father, c.1882–1965, African-American religious leader, founder of the Peace Mission movement, b. probably near Savannah, Ga. and named George Baker. After preaching in the South, he moved t...

Trevelyan, Sir George Otto

(Encyclopedia)Trevelyan, Sir George Otto, 1838–1928, British historian and politician. He served as a Whig member of the House of Commons from 1865 to 1897. He held posts under W. E. Gladstone as civil lord of th...

Hindi

(Encyclopedia)Hindi hĭnˈdē [key], language belonging to the Indic group of the Indo-Iranian subfamily of the Indo-European family of languages. The official language of India, Hindi is the written or literary va...

Anza, Juan Bautista de

(Encyclopedia)Anza, Juan Bautista de hwän boutēsˈtä dā änˈsä [key], 1735–88, Spanish explorer and official in the Southwest and the far West, reputed founder of San Francisco, b. Mexico. Accompanied by Fa...

Du Pont, Pierre Samuel

(Encyclopedia)Du Pont, Pierre Samuel, 1870–1954, American industrialist, b. Wilmington, Del., grad. Massachusetts Institute of Technology, 1890. Du Pont worked as a chemist with the family's company, helping to d...

Stiles, Ezra

(Encyclopedia)Stiles, Ezra, 1727–95, American theologian and educator, b. North Haven, Conn., grad. Yale, 1746. He studied theology, was ordained in 1749, and tutored (1749–55) at Yale. Resigning from the minis...

Wilder, Billy

(Encyclopedia)Wilder, Billy, 1906–2002, American film director, producer, and writer, b. Sucha, Galicia (now Poland) as Samuel Wilder. He wrote for films in Berlin, fled the Nazis, and arrived in Hollywood in 193...

Carroll, Charles

(Encyclopedia)Carroll, Charles, 1737–1832, political leader in the American Revolution, signer of the Declaration of Independence, b. Annapolis, Md. After completing his education in France and England, he return...