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Rogers, Henry Huttleston

(Encyclopedia)Rogers, Henry Huttleston, 1840–1909, American financier, b. Fairhaven, Mass. After he moved (1860) to Pennsylvania, he entered the oil business, experimented in the refining of petroleum, and, in pa...

Seton, Ernest Thompson

(Encyclopedia)Seton, Ernest Thompson, 1860–1946, American writer and artist, b. England. His name was originally Ernest Seton Thompson. His stories and paintings of wildlife, especially Wild Animals I Have Known ...

Shaw, Leslie Mortier

(Encyclopedia)Shaw, Leslie Mortier, 1848–1932, U.S. Secretary of the Treasury (1902–7), b. Morristown, Vt. Admitted to the Iowa bar in 1876, he organized (1880) a banking firm that specialized in agricultural c...

Commonwealth Fund

(Encyclopedia)Commonwealth Fund, foundation established (1918) by Anna M. Harkness, wife of Stephen V. Harkness, an early Standard Oil investor, “for the welfare of mankind.” Its headquarters are in New York Ci...

De Bary, Heinrich Anton

(Encyclopedia)De Bary, Heinrich Anton hīnˈrĭkh änˈtōn də bärēˈ [key], 1831–88, German botanist. He was professor at the universities of Freiburg in Breisgau (1855–66) and Halle (1867–72) and first r...

dog racing

(Encyclopedia)dog racing, trials of speed between dogs. Now contested on oval tracks, the sport developed from the ancient practice of coursing, in which specially trained dogs chase game animals in the open field....

Drake, Joseph Rodman

(Encyclopedia)Drake, Joseph Rodman, 1795–1820, American poet and satirist, b. New York City. Under the name “The Croakers,” he and his friend Fitz-Greene Halleck wrote a series of light satirical verses for t...

Agricola, Georgius

(Encyclopedia)Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

Berni, Francesco

(Encyclopedia)Berni, Francesco fränchāsˈkō bĕrˈnē [key], 1497?–1535, Italian humorous poet, a priest. He was noted for his burlesque capitoli, light, often ribald verses in terza rima. He revised Boiardo's...

iridium

(Encyclopedia)iridium ĭrĭdˈēəm [key], metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.217; m.p. about 2,410℃; b.p. about 4,130℃; sp. gr. 22.55 at 20℃; valence +3 or +4. Iridium is a very ha...