Columbia Encyclopedia

Search results

500 results found

ethology

(Encyclopedia)ethology, study of animal behavior based on the systematic observation, recording, and analysis of how animals function, with special attention to physiological, ecological, and evolutionary aspects. ...

Euler-Chelpin, Hans Karl August Simon von

(Encyclopedia)Euler-Chelpin, Hans Karl August Simon von, 1873–1964, Swedish biochemist, b. Germany, Ph.D. Univ. of Berlin, 1895. He spent his entire career at Stockholm Univ., first as professor and later as dire...

Moltke, Helmuth Karl Bernhard, Graf von

(Encyclopedia)Moltke, Helmuth Karl Bernhard, Graf von, 1800–1891, Prussian field marshal. Following his graduation from the Royal Military Academy of Denmark, he entered the Danish service, but resigned his commi...

Malte-Brun, Conrad

(Encyclopedia)Malte-Brun, Conrad kônˈräᵺ mälˈtə-bro͞onˌ, Fr. mältə-brôNˈ [key], 1775–1826, Danish geographer, b. Jutland but later settled in Paris; originally named Malthe Konrad Bruun. He is respo...

prefabrication

(Encyclopedia)prefabrication, in architectural construction, a technique whereby large units of a building are produced in factories to be assembled, ready-made, on the building site. The technique permits the spee...

Erhard, Ludwig

(Encyclopedia)Erhard, Ludwig lo͝otˈvĭkh ĕrˈhärt [key], 1897–1977, German political leader and economist. In Nuremberg he rose to be director of the institute for economic research. Dismissed (1942) by the N...

Schröder, Friedrich Ludwig

(Encyclopedia)Schröder, Friedrich Ludwig frēˈdrĭkh lo͞otˈvĭkh shröˈdər [key], 1744–1816, German actor, manager, and dramatist. He introduced Shakespeare in Germany. The son of actors, Schröder had a di...

minnesinger

(Encyclopedia)minnesinger mĭnˈĭsĭngˌər [key], a medieval German knight, poet, and singer of Minne, or courtly love. Originally imitators of Provençal troubadours, minnesingers developed their own style in th...

imprinting

(Encyclopedia)imprinting, acquisition of behavior in many animal species, in which, at a critical period early in life, the animals form strong and lasting attachments. Imprinting is important for normal social dev...

Tinbergen, Nikolaas

(Encyclopedia)Tinbergen, Nikolaas, 1907–88, Anglo-Dutch zoologist, b. Netherlands. He received his Ph.D. in 1932 from the Univ. of Leiden, where he became professor of zoology in 1947. In 1949 he joined the facul...