Columbia Encyclopedia

Search results

500 results found

mechanism

(Encyclopedia)mechanism, philosophical theory about the nature of organic systems, holding that organisms are machines in the sense that they are material systems. Mechanism seeks to explain biological processes, i...

Gramme, Zénobe-Théophile

(Encyclopedia)Gramme, Zénobe-Théophile zānôbˈ tāôfēlˈ gräm [key], 1826–1901, Belgian electrical engineer. While working as a model maker for a Parisian manufacturer of electrical devices, Gramme became ...

Giddings, Franklin Henry

(Encyclopedia)Giddings, Franklin Henry, 1855–1931, American sociologist, b. Fairfield co., Conn., grad. Union College, Schenectady, N.Y. In 1894 he became professor of sociology at Columbia, where he earned a rep...

informed consent

(Encyclopedia)informed consent, in medicine, a patient's written consent to a surgical or medical procedure or other course of treatment, given after the physician has told the patient all of the potential benefits...

Duruy, Victor

(Encyclopedia)Duruy, Victor vēktôrˈ dürüēˈ [key], 1811–94, French historian. He was a professor at Reims and Paris, and as minister of public instruction (1863–69) under Napoleon III he encouraged the ad...

Davis, Andrew Jackson

(Encyclopedia)Davis, Andrew Jackson, 1826–1910, American spiritualist, b. Blooming Grove, N.Y. He became a professional clairvoyant, known as the “Poughkeepsie Seer,” after being mesmerized in 1843. He was po...

Taylor, Brook

(Encyclopedia)Taylor, Brook, 1685–1731, English mathematician. He originated Taylor's theorem, a formula important in differential calculus, which relates a function to its derivatives by means of a power series....

Wieser, Friedrich von

(Encyclopedia)Wieser, Friedrich von frēˈdrĭkh fən vēˈzər [key], 1851–1926, Austrian economist and sociologist. He is noted for his formulas applying the principle of marginal utility to cost phenomena. He ...

Bloch, Ernst

(Encyclopedia)Bloch, Ernst, 1885–1977, German Marxist philosopher. He taught at the Univ. of Leipzig (1918–33), drifting toward Marxist thought during the 1920s. He fled the Nazis after 1933, moving first to Sw...

Edelinck, Gérard

(Encyclopedia)Edelinck, Gérard zhārärˈ ādəlăNkˈ [key], 1640–1707, French engraver, b. Antwerp. He is known for his faithful interpretations of the work of Raphael, Le Brun, Champaigne, and other masters a...