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dynamite

(Encyclopedia)dynamite, explosive made from nitroglycerin and an inert, porous filler such as wood pulp, sawdust, kieselguhr, or some other absorbent material. The proportions vary in different kinds of dynamite; o...

Seignobos, Charles

(Encyclopedia)Seignobos, Charles shärlˈ sānyōbōˈ [key], 1854–1942, French historian. He taught at the Univ. of Paris and wrote many works on French and European history and civilization, some being contribu...

Rothermere, Harold Sidney Harmsworth, 1st Viscount

(Encyclopedia)Rothermere, Harold Sidney Harmsworth, 1st Viscount rŏᵺˈərmēr [key], 1868–1940, English publisher. He was the financial wizard of the publishing firm headed by his brother Alfred, Viscount Nort...

Ohthere

(Encyclopedia)Ohthere ōthērˈə [key], fl. 880, Norse explorer. His account of his voyage around the North Cape, along Lapland, and into the White Sea was incorporated by Alfred the Great in the introduction to h...

Coburn, Alvin Langdon

(Encyclopedia)Coburn, Alvin Langdon kōˈbûrn [key], 1882–1936, American photographer, b. Boston. Coburn began making photographs at eight and was one of the younger members of Alfred Stieglitz's Photo-Secession...

Æthelflæd

(Encyclopedia)Æthelflæd –flēˈdə [key], d. 918, daughter of King Alfred the Great of Wessex and wife of Æthelred, ealdorman [alderman or earl] of Mercia. After her husband's death in 911, she ruled the semi-...

Taylor, Robert Love

(Encyclopedia)Taylor, Robert Love, 1850–1912, U.S. politician, governor of Tennessee (1887–91, 1897–99), b. Carter co., Tenn. A lawyer, he was a Democrat in Congress (1879–81) and in 1886 defeated his broth...

Mond, Ludwig

(Encyclopedia)Mond, Ludwig, 1839–1909, chemist; father of Alfred Moritz Mond, 1st Baron Melchett. He was born in Germany and became a naturalized British subject. Mond experimented with alkalies and also develope...

Dance, George

(Encyclopedia)Dance, George, the elder, 1695–1768, English architect. Among his public buildings in London, the most important is the Mansion House (1739–52), an example of the neo-Palladian style. He built the...

Rodbell, Martin

(Encyclopedia)Rodbell, Martin, 1925–1998, American biochemist, b. Baltimore, Ph.D. Univ. of Washington, 1954. He was a researcher (1956–1985) at the National Heart Institute in Bethesda, Md., before becoming sc...