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Douglas, David
(Encyclopedia)Douglas, David, 1798–1834, Scottish botanist. He made several journeys in North America between 1823 and 1834 to study American plants and sent to Scotland more than 200 plants and seeds then unknow...Humphreys, David
(Encyclopedia)Humphreys, David, 1752–1818, American diplomat and poet, b. present Ansonia (then in Derby), Conn. His military talents and patriotism won the friendship of General Washington and a place on his sta...Hilbert, David
(Encyclopedia)Hilbert, David, 1862–1943, German mathematician, professor at Königsberg (1886–95) and Göttingen (1895–1930), b. Königsberg, Germany. His proof of the theorum of invariants (1890) supplanted ...Hartley, David
(Encyclopedia)Hartley, David, 1705–57, English physician and philosopher, founder of associational psychology. In his Observations on Man (2 vol., 1749) he stated that all mental phenomena are due to sensations a...Hartman, David
(Encyclopedia)Hartman, David, 1931–2013, Israeli rabbi and philosopher, b. Brooklyn, N.Y. The son of Hasidim who immigrated to the United States from Israel, he trained as a rabbi at Yeshiva Univ., New York City,...Halberstam, David
(Encyclopedia)Halberstam, David, 1934–2007, American journalist and author, b. New York City, grad. Harvard (B.A., 1955). A reporter (1956–60) for newspapers in Mississippi and Tennessee, he chronicled the nasc...Rabe, David
(Encyclopedia)Rabe, David rāb [key], 1940–, American playwright, b. Dubuque, Iowa; grad. Loras College (B.A., 1962), Villanova Univ. (M.A., 1968). Rabe served in Vietnam (1965–67) and his experiences and obser...Rizzio, David
(Encyclopedia)Rizzio, David rĭtˈsēō [key], 1533?–1566, favorite of Mary Queen of Scots. He was a Piedmontese musician (also called Riccio) who arrived (1561) in Scotland with the ambassador from Savoy. He cam...Ricardo, David
(Encyclopedia)Ricardo, David, 1772–1823, British economist, of Dutch-Jewish parentage. At the age of 20 he entered business as a stockbroker and was so skillful in the management of his affairs that within five y...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...Browse by Subject
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