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Hutton, James

(Encyclopedia)Hutton, James, 1726–97, Scottish geologist, chemist, and naturalist. He was initially attracted to chemistry; he entered the legal profession at the Univ. of Edinburgh; turned to medicine, as it clo...

Playfair, John

(Encyclopedia)Playfair, John, 1748–1819, Scottish mathematician, physicist, and geologist. He was educated at St. Andrews and Edinburgh and taught first mathematics and then physics and astronomy at the latter un...

geomorphology

(Encyclopedia)geomorphology, study of the origin and evolution of the earth's landforms, both on the continents and within the ocean basins. It is concerned with the internal geologic processes of the earth's crust...

Lyell, Sir Charles

(Encyclopedia)Lyell, Sir Charles līˈəl [key], 1797–1875, British geologist. After studying and briefly practicing law, he spent most of his life in travel and in popularizing scientific ideas. He championed an...

uniformitarianism

(Encyclopedia)uniformitarianism, in geology, doctrine holding that changes in the earth's surface that occurred in past geologic time are referable to the same causes as changes now being produced upon the earth's ...

Mendip Hills

(Encyclopedia)Mendip Hills, range of hills, c.25 mi (40 km) long, across N Somerset, SW England, extending SE from the vicinity of Hutton to the Frome valley. Primarily limestone, the hills have numerous caves (Woo...

catastrophism

(Encyclopedia)catastrophism kətăsˈtrəfĭzəm [key], in geology, the doctrine that at intervals in the earth's history all living things have been destroyed by cataclysms (e.g., floods or earthquakes) and replac...

Dickey, James

(Encyclopedia)Dickey, James, 1923–97, American poet and novelist, b. Atlanta. After serving in the air force during World War II, he attended Vanderbilt Univ., graduating in 1946. He was an English teacher and an...

Abercromby, James

(Encyclopedia)Abercromby, James, 1706–81, British general in the French and Indian Wars, b. Scotland. He arrived in America in 1756 and in 1758 replaced the earl of Loudoun as supreme British commander. After fai...

Duane, James

(Encyclopedia)Duane, James dwān, dəwānˈ [key], 1733–97, political figure in the American Revolution, b. New York City. Admitted to the bar in 1754, Duane soon gained renown and wealth as a lawyer. Although he...