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Morris, Lewis, 1726–98, American political leader

(Encyclopedia)Morris, Lewis, 1726–98, American political leader, signer of the Declaration of Independence, b. Morrisania, N.Y. (now part of the Bronx); elder half-brother of Gouverneur Morris. A wealthy landowne...

American Association for the Advancement of Science

(Encyclopedia)American Association for the Advancement of Science (AAAS), private organization devoted to furthering the work of scientists and improving the effectiveness of science in the promotion of human welfa...

Astor, William Backhouse, 1792–1875, American financier

(Encyclopedia)Astor, William Backhouse, 1792–1875, American financier, b. New York City; son of John Jacob Astor (1763–1848). Educated in Germany, he was associated with his father in business after 1818. Later...

Browne, Sir Thomas

(Encyclopedia)Browne, Sir Thomas, 1605–82, English author and physician, b. London, educated at Oxford and abroad, knighted (1671) by Charles II. His Religio Medici, in which Browne attempted to reconcile science...

Paine, Albert Bigelow

(Encyclopedia)Paine, Albert Bigelow, 1861–1937, American author, b. New Bedford, Mass. He is best remembered as the author of the authorized biography of Mark Twain (3 vol., 1912) and as the editor of Twain's let...

Astor, John Jacob, 1763–1848, American merchant

(Encyclopedia)Astor, John Jacob ăsˈtər [key], 1763–1848, American merchant, b. Walldorf, near Heidelberg, Germany. At the age of 16 he went to England, and five years later, in 1784, he arrived in Baltimore, p...

Mars, family of American food manufacturers

(Encyclopedia)Mars, family of American food manufacturers. Franklin Clarence Mars, 1882–1934, b. Hancock, Minn., was a chocolate manufacturer who produced candy at home before opening a candy factory (1911) in Ta...

acids and bases

(Encyclopedia)acids and bases, two related classes of chemicals; the members of each class have a number of common properties when dissolved in a solvent, usually water. Another theory that provides a very broad ...

Rowley, Janet Davison

(Encyclopedia)Rowley, Janet Davison, 1925–2013, American physician and geneticist, b. New York City, M.D. Univ. of Chicago, 1948. Rowley was associated with the Univ. of Chicago from 1962, and was a full professo...

Ames, Nathaniel

(Encyclopedia)Ames, Nathaniel, 1708–64, American almanac maker, b. Bridgewater, Mass. His Astronomical Diary and Almanack, begun in 1725 and issued annually after c.1732 from Dedham, Mass., was highly popular and...