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Kroll, Leon

(Encyclopedia)Kroll, Leon krōl [key], 1884–1974, American painter and lithographer, b. New York City. Kroll studied in New York with J. H. Twachtman and later in Paris. He returned to New York, where he became a...

Walras, Léon

(Encyclopedia)Walras, Léon, 1834–1910, French economist. After abandoning his studies in mining engineering, he became a freelance journalist, advancing the causes of economic and social reform. He later became ...

Bourgeois, Léon

(Encyclopedia)Bourgeois, Léon lāôNˈ bo͞orzhwäˈ [key], 1851–1925, French statesman and social philosopher. He held cabinet posts, notably the premiership (1895–96) and was a delegate to the first and seco...

Brunschvicg, Léon

(Encyclopedia)Brunschvicg, Léon lāôNˈ brünˈshvēk [key], 1869–1944, French philosopher, b. Paris. From 1909 until his death he taught at the Sorbonne. Brunschvicg's philosophy, which has had considerable in...

Bloy, Léon

(Encyclopedia)Bloy, Léon lāôNˈ blwä [key], 1846–1917, French writer. A Roman Catholic and a social reformer, Bloy wrote violent and vituperative attacks on religious conformism and bitter portraits of his li...

Blum, Léon

(Encyclopedia)Blum, Léon lāôNˈ blo͝om [key], 1872–1950, French Socialist leader and writer. Well established in literary circles, he entered politics during the Dreyfus Affair and rose to party leadership. I...

Trotsky, Leon

(Encyclopedia)Trotsky, Leon trŏtˈskē, Rus. lāˈən trôtˈskē [key], 1879–1940, Russian Communist revolutionary, one of the principal leaders in the establishment of the USSR; his original name was Lev David...

Theremin, Leon

(Encyclopedia)Theremin, Leon thĕrˈəmən [key], 1896–1993, Russian engineer and inventor, b. St. Petersburg as Lev Sergeyevich Termen. He studied and worked in his native city, attending its university and cons...

De Leon, Daniel

(Encyclopedia)De Leon, Daniel dē lēˈŏn [key], 1852–1914, American socialist leader. Born on the island of Curaçao of Spanish-American parents, he was educated in Germany and the Netherlands before going (187...

Czolgosz, Leon F.

(Encyclopedia)Czolgosz, Leon F. chŏlˈgŏsh [key], c.1873–1901, American anarchist, b. Detroit, Mich. He shot and killed William McKinley in Buffalo on Sept. 6, 1901, saying that the President was “an enemy of...