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Haldane, John Burdon Sanderson

(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...

trilobite

(Encyclopedia)CE5 Dorsal view of a trilobite trilobite trīˈləbītˌ [key], subphylum of the phylum Arthropoda that includes a large group of extinct marine animals that were abundant in the Paleozoic era. Th...

Millikan, Robert Andrews

(Encyclopedia)Millikan, Robert Andrews mĭlˈĭkən [key], 1868–1953, American physicist and educator, b. Morrison, Ill., grad. Oberlin College, 1891, Ph.D. Columbia, 1895, studied in Germany. He taught (1896–1...

Gaster, Moses

(Encyclopedia)Gaster, Moses gäsˈtər [key], 1856–1939, Romanian Jewish scholar and writer, b. Bucharest. Expelled (1885) from Romania for championing the Jewish cause, he went to England and was lecturer at Oxf...

Faure, Élie

(Encyclopedia)Faure, Élie ālēˈ fōr [key], 1873–1937, French art historian. Trained in medicine, he brought his scientific knowledge to bear in his study of the history of art, relating it to the progress of ...

Americas, antiquity and prehistory of the

(Encyclopedia)Americas, antiquity and prehistory of the, study of the origins of the aboriginal peoples of the Americas. Archaeologists believe humans had entered and occupied much of the Americas by the end of the...

Gamow, George

(Encyclopedia)Gamow, George gămˈŏf [key], 1904–68, Russian-American theoretical physicist and author, b. Odessa. A nuclear physicist, Gamow is better known to the public for his excellent books popularizing ab...

chief

(Encyclopedia)chief or chieftain, political leader of a band, tribe, or confederation of tribes. At the simpler levels of social organization, the band or tribe usually lacks centralized authority and is ruled by t...

Deep Sea Drilling Project

(Encyclopedia)Deep Sea Drilling Project, U.S. program designed to investigate the evolution of ocean basins by core drilling of ocean sediments and underlying oceanic crust. Funded by the National Science Foundatio...

robot

(Encyclopedia)robot or automaton ôtämˈətänˌ [key] mechanical device designed to perform the work generally done by a human being. The Czech dramatist Karel Čapek popularized the expression [Czech,=compulsory...