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space-time

(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...

Darwinism

(Encyclopedia)Darwinism, concept of evolution developed in the mid-19th cent. by Charles Robert Darwin. Darwin's meticulously documented observations led him to question the then current belief in special creation ...

matter

(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...

Miller, Merton H.

(Encyclopedia)Miller, Merton H., 1923–2000, American economist, grad. Harvard, 1943, Ph.D. Johns Hopkins, 1952. A professor at Carnegie-Mellon Univ. (1953–61) and the Univ. of Chicago (1961–93), he developed ...

Menes

(Encyclopedia)Menes mēˈnēz [key], fl. 3200 b.c., king of ancient Egypt, of the first dynasty, the first Egyptian ruler for whom there are historical records. According to tradition, he seems to have united the s...

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...