Appletons' Cyclopædia of American Biography/Bonpland, Aimé

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BONNYCASTLE, Sir Richard Henry, English soldier, b. in 1791 ; d. in 1848. He served in Canada during the war in 1812, became a captain of engineers in 1825, and took part in the capture of Fort Castine and the occupation of the Maine coast east of Penobscot. He commanded the engineers in Canada West during the rebellion of 1837-'9, was knighted for services in the defence of Kingston in 1838, was subsequently commander of engineers in Newfoundland, and in 1848 was made lieutenant-colonel. Most of his life was passed in British North America. He published "Spanish America" (London, 1818; Philadelphia, 1819); "The Canadas in 1842" (London, 1842); "Canada and the Canadians in 1846" (London, 1846) ; and " Canada as it Was, Is, and May be," edited by Sir J. E. Alexander (1846). — His brother, Charles, mathematician, b. in Woolwich, England, in 1792 ; d. in Charlottesville, Va., in October, 1840. He was a son of John Bonnycastle, professor of mathematics at Woolwich military academy, and assisted his father in the preparation of mathematical text-books, besides contributing to cyclopasdias and periodicals. At the organization of the University of Virginia, in 1825, he came over to take the professorship of natural philosophy, which he exchanged in 1827 for that of mathematics. He published treatises on " Inductive Geometry" (Philadelphia, 1832); "Algebra" (New York); "Mensuration" (Philadelphia); and various papers on scientific subjects.