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Leacock, Stephen Butler

(Encyclopedia)Leacock, Stephen Butler, 1869–1944, Canadian economist and humorist, b. England, grad. Univ. of Toronto (B.A., 1891), Univ. of Chicago (Ph.D., 1903). Head of the department of political science and ...

Mahan, Dennis Hart

(Encyclopedia)Mahan, Dennis Hart, 1802–71, American soldier and educator, b. New York City; father of Alfred Thayer Mahan. He graduated (1824) from West Point, and from that year until 1871, except for four years...

De la Beche, Sir Henry Thomas

(Encyclopedia)De la Beche, Sir Henry Thomas də lä bāsh, dĕləbĕshˈ [key], 1796–1855, English geologist. As a result of his private undertaking to prepare a geological map of England, the British government ...

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 ...

Angell, James Rowland

(Encyclopedia)Angell, James Rowland, 1869–1949, American educator and psychologist, b. Burlington, Vt., grad. Univ. of Michigan (B.A. 1890; M.A. 1891), M.A. Harvard, 1892; son of James B. Angell. After study abro...

Hadley, Arthur Twining

(Encyclopedia)Hadley, Arthur Twining, 1856–1930, American economist and educator, b. New Haven, Conn.; son of James Hadley. A graduate (1876) of Yale, he was on the faculty (1879–99) and later was president (18...

Heinze, Frederick Augustus

(Encyclopedia)Heinze, Frederick Augustus hīnˈzē [key], 1869–1914, American copper magnate, b. Brooklyn, N.Y. He went in 1889 to Butte, Mont., as engineer for a mining company. In 1893 he organized the Montana ...

nastic movement

(Encyclopedia)nastic movement, in botany, the movement of plant parts in response either to certain external stimuli or to internal growth stimuli. Nastic movements, which are generally slow, can be observed by tim...

Mather, John Cromwell

(Encyclopedia)Mather, John Cromwell, 1946–, American astrophysicist, b. Roanoke, Va., Ph.D. Univ. of California, Berkeley, 1974. He has been a researcher at NASA's Goddard Space Flight Center in Greenbelt, Md., s...

Réaumur, René Antoine Ferchault de

(Encyclopedia)Réaumur, René Antoine Ferchault de rāˈəmyo͝or, Fr. rənāˈ äNtwänˈ fĕrshōˈ də rāōmürˈ [key], 1683–1757, French physicist and naturalist. He invented an alcohol thermometer (1731) a...