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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...

Lorentz contraction

(Encyclopedia)Lorentz contraction lôrˈĕnts [key], in physics, contraction or foreshortening of a moving body in the direction of its motion, proposed by H. A. Lorentz on theoretical grounds and based on an earli...

Conscience, Hendrik

(Encyclopedia)Conscience, Hendrik hĕnˈdrĭk kôNsēäNsˈ [key], 1812–83, Flemish novelist, a founder of modern Flemish literature. His many historical novels were romantic but powerful, in the tradition of Sco...

Goltzius, Hendrik

(Encyclopedia)Goltzius, Hendrik or Hendrick hĕnˈdrĭk gôltˈsēüs [key], 1558–1617, Dutch line engraver and painter; son of a stained-glass painter. He is said to have blended the naturalism of Northern Europ...

Mesdag, Hendrik Willem

(Encyclopedia)Mesdag, Hendrik Willem hĕnˈdrĭk vĭlˈəm mĕsˈdäkh [key], 1831–1915, Dutch marine painter. He gave up banking at 35 to study painting. He later lived at The Hague and was known as a painter an...

Oort, Jan Hendrik

(Encyclopedia)Oort, Jan Hendrik ōrt [key], 1900–1992, Dutch astronomer. He confirmed (1927) Bertil Lindblad's theory of the Milky Way galaxy's rotation. In the 1950s he and his colleagues used radio astronomical...

Baekeland, Leo Hendrik

(Encyclopedia)Baekeland, Leo Hendrik bākˈlănd [key], 1863–1944, American chemist, b. Belgium, grad. Univ. of Ghent, 1882. In 1889 he emigrated to the United States. He founded (1893) and conducted, until 1899,...

Verwoerd, Hendrik Frensch

(Encyclopedia)Verwoerd, Hendrik Frensch hĕnˈdrək frĕnsh fərvo͞ortˈ [key], 1901–66, South African political leader, b. Holland. He was taken as an infant to South Africa when his parents emigrated as missio...

Tollens, Hendrik Franciscus

(Encyclopedia)Tollens, Hendrik Franciscus hĕnˈdrək fränsĭsˈkəs tôlˈəns [key], 1780–1856, Dutch poet. Among the leading Dutch romantics, he was popular for his homely and sincere patriotic verse. His pri...

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