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Rittenhouse, David

(Encyclopedia)Rittenhouse, David, 1732–96, American astronomer and instrument maker, b. near Germantown, Pa., self-educated. A clockmaker by trade, he developed great skill in the making of mathematical instrumen...

Bancroft, Edward

(Encyclopedia)Bancroft, Edward, 1744–1821, spy in the American Revolution, b. Westfield, Mass. He studied medicine and natural history, producing a book (1769) on Guiana's flora and fauna, a defense of the coloni...

Williamson, Hugh

(Encyclopedia)Williamson, Hugh, 1735–1819, American political leader, physician, and scientist, b. West Nottingham, Pa. He studied theology, preached for a short time, and then was (1760–63) professor of mathem...

Sparks, Jared

(Encyclopedia)Sparks, Jared, 1789–1866, American historian and educator, b. Willington, Conn. He studied theology, mathematics, and natural philosophy at Harvard (1817–19). He was pastor of a Unitarian church i...

McReynolds, James Clark

(Encyclopedia)McReynolds, James Clark məkrĕnˈəldz [key], 1862–1946, U.S. Attorney General (1913–14) and associate justice of the U.S. Supreme Court (1914–41), b. Elkton, Ky. He received his law degree fro...

Galloway, Joseph

(Encyclopedia)Galloway, Joseph gălˈəwāˌ [key], c.1731–1803, American Loyalist leader, b. West River, Md. Galloway was a prominent lawyer with an interest in commerce and in speculation in Western lands. He e...

Van Doren, Carl (Clinton)

(Encyclopedia)Van Doren, Carl (Clinton), 1885–1950, American editor and author, b. Hope, Vermilion co., Ill., grad. Univ. of Illinois, 1907, Ph.D. Columbia, 1911; brother of Mark Van Doren. He lectured at Columbi...

Bradford, William, 1722–91, American Revolutionary printer and patriot

(Encyclopedia)Bradford, William, 1722–91, American Revolutionary printer and patriot; grandson of William Bradford (1663–1752). He learned printing from his uncle, Andrew Bradford, in Philadelphia, and in 1742 ...

Lemonnier, Pierre Charles

(Encyclopedia)Lemonnier, Pierre Charles pyĕr shärl ləmônyāˈ [key], 1715–99, French astronomer. For many years he was professor of physics at the Collège de France. He studied the moon and the influence of ...

Johnson, Samuel, American clergyman, educator, and philosopher

(Encyclopedia)Johnson, Samuel, 1696–1772, American clergyman, educator, and philosopher, b. Guilford, Conn., grad. Collegiate School (now Yale), 1714; father of William Samuel Johnson. He became a Congregationali...