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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...

Kayser, Heinrich Gustav Johannes

(Encyclopedia)Kayser, Heinrich Gustav Johannes hīnˈrĭkh go͝osˈtäf yōhänˈəs kīˈzər [key], 1853–1940, German physicist. He was professor at Bonn from 1894 to 1920. He is known for his work in sound and...

Hildebrand, Adolf von

(Encyclopedia)Hildebrand, Adolf von äˈdôlf fən hĭlˈdəbränt [key], 1847–1921, German sculptor and author. He studied in Munich and in Italy, where he spent 18 years. He is best known for his dignified publ...

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 ...

Gobineau, Joseph Arthur, comte de

(Encyclopedia)Gobineau, Joseph Arthur, comte de zhôzĕfˈ ärtürˈ kôNt də gōbēnōˈ [key], 1816–82, French diplomat and man of letters. The chief early French proponent of the theory of Nordic supremacy, h...

Genovesi, Antonio

(Encyclopedia)Genovesi, Antonio äntôˈnyō jānōvĕˈzē [key], 1712–69, Italian philosopher and economist, a pioneer in writing philosophy in Italian instead of in Latin. Genovesi introduced new ideas, partic...

Destutt de Tracy, Antoine Louis Claude, Comte

(Encyclopedia)Destutt de Tracy, Antoine Louis Claude, Comte äNtwänˈ lwē klōd kôNt dĕstütˈ də träsēˈ [key], 1754–1836, French philosopher and psychologist. Although active in the Napoleonic government...

Douglas, Clifford Hugh

(Encyclopedia)Douglas, Clifford Hugh, 1879–1952, English engineer and social economist, educated at Cambridge. Author of the economic theory of Social Credit, he became (1935) chief reconstruction adviser to the ...

Espy, James Pollard

(Encyclopedia)Espy, James Pollard ĕsˈpē [key], 1785–1860, American meteorologist. He developed a convection theory of storms, explaining it in 1836 before the American Philosophical Society and in 1840 before ...

tunneling

(Encyclopedia)tunneling, quantum-mechanical effect by which a particle can penetrate a barrier into a region of space that would be forbidden by ordinary classical mechanics. Tunneling is a direct result of the wav...