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Marsden, Gerry

(Encyclopedia)Marsden, Gerry, 1942-2021, British pop singer and bandleader, b. Liverpool, England. Marsden was the leader of ‘60s British Invasion group Gerry and t...

Balmont, Konstantin Dmitrieyevich

(Encyclopedia)Balmont, Konstantin Dmitrieyevich kənstəntyēnˈ dəmēˈtrēəvĭch bälˈmônt [key], 1867–1943, Russian poet and translator. After first hailing the Bolshevik revolution, he repudiated it and l...

Pearson, Drew

(Encyclopedia)Pearson, Drew, 1897–1969, American journalist and radio commentator, b. Evanston, Ill. He traveled around the world as a correspondent before joining the Baltimore Sun in 1926. Pearson gained nation...

thunder

(Encyclopedia)thunder, sound produced along a path of a lightning flash, caused by the rapid heating and expansion of the adjacent air; lightning can heat air to temperatures as much as five times hotter than those...

Alcestis

(Encyclopedia)Alcestis ălsĕsˈtĭs [key], in Greek mythology, daughter of Pelias. She was won in marriage by Admetus, who fulfilled her father's condition that her suitor come for her in a chariot pulled by a wil...

Al-Battani

(Encyclopedia)Al-Battani ălˌbətēˈnēəs [key], b. before 858, d. 929, Arab astronomer and mathematician. He is best known in astronomy for his improvements and corrections of the Ptolemaic tradition. His Kitab...

Goldberg, Rube

(Encyclopedia)Goldberg, Rube (Reuben Lucius Goldberg), 1883–1970, American cartoonist and sculptor, b. San Francisco. After drawing cartoons for San Francisco newspapers, he moved to New York City. There he worke...

alfalfa caterpillar

(Encyclopedia)alfalfa caterpillar, larva of the alfalfa butterfly, Colias eurytheme, a member of the family Pieridae. Found throughout most of Mexico, the United States, and S Canada, it is sometimes a serious pest...

Encke, Johann Franz

(Encyclopedia)Encke, Johann Franz yōˈhän fränts ĕngˈkə [key], 1791–1865, German astronomer. He was assistant (1816–22) and director (1822–25) of the observatory at Seeberg (near Gotha) and director (fr...

Foucault, Jean Bernard Léon

(Encyclopedia)Foucault, Jean Bernard Léon zhäN bĕrnärˈ lāôNˈ fo͞okōˈ [key], 1819–68, French physicist. Known especially for his research on the speed of light, he determined its velocity in air and fou...