Columbia Encyclopedia

Search results

414 results found

diesel engine

(Encyclopedia)diesel engine, type of internal-combustion engine invented by the German engineer Rudolf Diesel and patented by him in 1892. Although his engine was designed to use coal dust as fuel, the diesel engin...

Fonteyn, Dame Margot

(Encyclopedia)Fonteyn, Dame Margot fŏntānˈ [key], 1919–91, English ballerina. Fonteyn was for many years prima ballerina assoluta of the Royal Ballet. Her original name was Margaret Hookham. In 1934 she joined...

Baade, Walter

(Encyclopedia)Baade, Walter välˈtər bäˈdə [key], 1893–1960, German-born American astronomer. From 1919 to 1931 he was on the staff of the Hamburg observatory; from 1931 to 1958, at the Mt. Wilson observator...

Mackinder, Sir Halford John

(Encyclopedia)Mackinder, Sir Halford John hălˈfərd, məkĭnˈdər [key], 1861–1947, English geopolitician. Educated at Oxford (1887–1905), he led in the revival of British geographical learning. He establish...

Anderssen, Adolf

(Encyclopedia)Anderssen, Adolf (Karl Ernst Adolf Anderssen), 1818–79, German chess player, b. Breslau (now Wrocław, Poland). He graduated (1847) from Breslau Univ. and later was a mathematics professor there. An...

dialectic

(Encyclopedia)dialectic dīəlĕkˈtĭk [key] [Gr.,= art of conversation], in philosophy, term originally applied to the method of philosophizing by means of question and answer employed by certain ancient philosop...

Pontoppidan, Henrik

(Encyclopedia)Pontoppidan, Henrik hănˈrēk pôntôˈpĭdän [key], 1857–1943, Danish novelist. He shared the 1917 Nobel Prize in Literature with Karl Gjellerup. Pontoppidan devoted himself to engineering, journ...

Acosta, Uriel

(Encyclopedia)Acosta, Uriel dä kōˈstä [key], c.1585–1640, Jewish rationalist, b. Oporto, Portugal. His original name was Gabriel da Costa, and his family had been converted to Roman Catholicism. When he reach...

Stein, Lorenz von

(Encyclopedia)Stein, Lorenz von lōˈrĕnts fən shtīn [key], 1815–90, German economist and sociologist. He studied jurisprudence at the Univ. of Kiel and at Paris and taught (1846–51) at the Univ. of Kiel, bu...

Berlin, Sir Isaiah

(Encyclopedia)Berlin, Sir Isaiah, 1909–97, English political scientist, b. Riga, Latvia (then in Russia). His family moved to St. Petersburg when he was a boy and emigrated to London in 1921. He was educated at O...