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Lorentz, Hendrik Antoon

(Encyclopedia)Lorentz, Hendrik Antoon hĕnˈdrək änˈtōn lōˈrĕnts [key], 1853–1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light. He was one of the first...

van Loon, Hendrik Willem

(Encyclopedia)van Loon, Hendrik Willem văn lōn [key], 1882–1944, American author and journalist, b. Rotterdam, Netherlands. He emigrated to the United States in 1903 and studied at Harvard and Cornell (B.A., 19...

Leo Africanus

(Encyclopedia)Leo Africanus ăfrĭkāˈnəs [key], c.1465–1550, Moorish traveler in Africa and the Middle East. His Arabic name was Al-Hasan ibn Muhammad. Captured by pirates, he was sent as a slave to Pope Leo X...

Burnett, Leo

(Encyclopedia)Burnett, Leo bərnĕtˈ [key], 1891–1971, American advertising executive, b. St. Johns, Mich., grad. Univ. of Michigan (1914). He was a newspaper reporter and worked in advertising before moving to ...

Strauss, Leo

(Encyclopedia)Strauss, Leo, 1899–1973, American philosopher, b. Hesse, Germany. Strauss fled the Nazis and in 1938 came to the United States, where he taught at the New School in New York City (1938–48) and the...

Slezak, Leo

(Encyclopedia)Slezak, Leo slāˈzäk [key], 1873–1946, Czech tenor, pupil of Jean de Reszke. After his debut as Lohengrin at Brno in 1896, he sang in Vienna, Berlin, and later at the Metropolitan Opera, New York ...

Delibes, Léo

(Encyclopedia)Delibes, Léo lāôˈ dəlēbˈ [key], 1836–91, French composer. After studying at the Conservatory in Paris, he became an accompanist at the Théâtre-Lyrique in 1853, and, ten years later, at the ...

Frobenius, Leo

(Encyclopedia)Frobenius, Leo lāˈō frōbāˈnēo͝os [key], 1873–1938, German archaeologist and anthropologist. An authority on prehistoric art and culture, especially of Africa, he organized 12 expeditions to ...

Baeck, Leo

(Encyclopedia)Baeck, Leo lāˈō bĕk [key], 1873–1956, German rabbi and scholar. He studied at the conservative Jewish Theological Seminary of Breslau and then at the liberal Hochschule für die Wissenschaft des...

Szilard, Leo

(Encyclopedia)Szilard, Leo sĭˈlärd [key], 1898–1964, American nuclear physicist and biophysicist, born in Hungary. He was educated at the Budapest Institute of Technology and the Univ. of Berlin, receiving a d...