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Greenleaf, Simon

(Encyclopedia)Greenleaf, Simon, 1783–1853, American legal writer, b. Newburyport, Mass. A member of the Maine bar, he won a high reputation for legal scholarship early in his career. With the admission (1820) of ...

Thomson, Sir Charles Wyville

(Encyclopedia)Thomson, Sir Charles Wyville, 1830–82, Scottish naturalist, noted as a marine biologist and deep-sea explorer. He participated in three deep-sea dredging expeditions (1868–70) and obtained evidenc...

Lind, James

(Encyclopedia)Lind, James, 1716–94, English naval surgeon. Considered the founder of naval hygiene in England, Lind observed on a ten-week cruise (1746) that 80 seamen of 350 came down with scurvy. In his Treatis...

Cozumel

(Encyclopedia)Cozumel kōzəˈmel [key], resort island, c.190 sq mi (490 sq km), Quintana Roo state, Mexico, in the Caribbean Sea off the E coast of the Yucatán peninsula. It is famed for its beaches and coral ree...

Brown, Harold

(Encyclopedia)Brown, Harold, 1927–2019, American nuclear physicist and government official, b. New York City, Ph.D. Columbia, 1949. He joined (1952) the staff of the Lawrence Radiation Laboratory (now Lawrence Li...

Suffren de Saint-Tropez, Pierre André de

(Encyclopedia)Suffren de Saint-Tropez, Pierre André de pyĕr äNdrāˈ də süfrĕnˈ də săN-trôpāˈ [key], 1726–88, French admiral. He participated in naval warfare in the War of the Austrian Succession and...

Belloc, Hilaire

(Encyclopedia)Belloc, Hilaire (Joseph Hilaire Pierre Belloc) bĕlˈŏk [key], 1870–1953, English author, b. France. He became a British subject in 1902, and from 1906 to 1910 was a Liberal member of Parliament fo...

control systems

(Encyclopedia)control systems, combinations of components (electrical, mechanical, thermal, or hydraulic) that act together to maintain actual system performance close to a desired set of performance specifications...

Manaus

(Encyclopedia)Manaus mänousˈ [key], city (1996 pop. 1,158,265), capital of Amazonas state, NW Brazil, on the Rio Negro. It is the chief commercial and cultural center of the upper Amazon region and an important r...

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