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Norris, John

(Encyclopedia)Norris, John, 1657–1711, English clergyman and philosopher. As the most prominent follower of Malebranche he wrote, in exposition of that philosopher's system, An Essay towards the Theory of the Ide...

Laplace, Pierre Simon, marquis de

(Encyclopedia)Laplace, Pierre Simon, marquis de pyĕr sēmôNˈ märkēˈ də läpläsˈ [key], 1749–1827, French astronomer and mathematician. At 18 he went to Paris, proved his gift for mathematical analysis to...

chiropractic

(Encyclopedia)chiropractic kīrəprăkˈtĭk [key] [Gr.,=doing by hand], medical practice based on the theory that all disease results from a disruption of the functions of the nerves. The principal source of inter...

Habash al-Hasib

(Encyclopedia)Habash al-Hasib häbäshˈ äl-häsēbˈ [key], d. c.870, Arab mathematician and astronomer. Habash al-Hasib was born in what is now Mary, Turkmenistan, and worked in Baghdad. He calculated tables of ...

Arago, Dominique François

(Encyclopedia)Arago, Dominique François dômēnēkˈ fräNswäˈ ärägōˈ [key], 1786–1853, French physicist and astronomer. He is noted for his discoveries in magnetism and optics as well as for his astronomi...

Planck's constant

(Encyclopedia)Planck's constant plängks [key], fundamental constant of the quantum theory. It is represented by the letter h and has a value of 6.62607 × 10−34 joule-second. The combination h/2π, denoted by h ...

Capponi, Gino, Marchese

(Encyclopedia)Capponi, Gino, Marchese jēˈnō käp-pōˈnē [key], 1792–1876, Italian politician, historian, and educator. He played an important part in the Risorgimento. His theory of education anticipated the...

hooks, bell

(Encyclopedia)hooks, bell, 1952–2021, American author, poet, social critic, and Black feminist, b. Hopkinsville, Ky., as Gloria Jean Watkins, Stanford Univ. (B.A., ...

Morgan, Lewis Henry

(Encyclopedia)Morgan, Lewis Henry, 1818–81, American anthropologist, b. Aurora, N.Y., grad. Union College, Schenectady, 1840. Practicing as a lawyer, he became interested in the Native Americans of his locality, ...

Solow, Robert M.

(Encyclopedia)Solow, Robert M., 1924–, American economist, b. Brooklyn, N.Y., grad. Harvard (B.A. 1947, M.A. 1949, Ph.D. 1951). He began teaching economics at the Massachusetts Institute of Technology in 1949. So...
 

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