Columbia Encyclopedia

Search results

122 results found

Mach, Ernst

(Encyclopedia)Mach, Ernst ĕrnst mäkh [key], 1838–1916, Austrian physicist and philosopher, b. Moravia. He taught (1864–67) mathematics at Graz and later, until his retirement in 1901, was professor of physics...

Mach number

(Encyclopedia)Mach number mäk [key] [for E. Mach], ratio between the speed of an object and the speed of sound in the medium in which the object is traveling. An airplane that has the velocity of Mach 3.0 is trave...

Mach's principle

(Encyclopedia)Mach's principle mäks [key] [for E. Mach], assertion that the inertial effects of mass are not innate in a body, but arise from its relation to the totality of all other masses, i.e., to the universe...

Ernst, Max

(Encyclopedia)Ernst, Max mäks ĕrnst [key] 1891–1976, German painter. After World War I, Ernst joined the Dada movement in Paris and then became a founder of surrealism. Apart from the medium of collage, for whi...

Röhm, Ernst

(Encyclopedia)Röhm, Ernst: see Roehm, Ernst.

Wiechert, Ernst

(Encyclopedia)Wiechert, Ernst ĕrnst vēˈkhĕrt [key], 1887–1950, German novelist. His works, distinguished by a poetic prose style, generally deal with his native East Prussia and the upheavals of the world war...

Abbe, Ernst

(Encyclopedia)Abbe, Ernst ĕrnst äˈbə [key], 1840–1905, German physicist. He was appointed professor at the Univ. of Jena in 1870 and director of its astronomical and meteorological observatories in 1878. From...

Cassirer, Ernst

(Encyclopedia)Cassirer, Ernst ĕrnst käsērˈər [key], 1874–1945, German philosopher. He was a professor at the Univ. of Hamburg from 1919 until 1933, when he went to Oxford; he later taught at Yale and Columbi...

Jandl, Ernst

(Encyclopedia) Jandl, Ernst : see MAYRÖCKER, FRIEDERIKE . ...

Barlach, Ernst

(Encyclopedia)Barlach, Ernst ĕrnst bärˈläkh [key], 1870–1938, German expressionist sculptor, graphic artist, and writer. After studying at the Dresden Art Academy he lived in Paris (1895–96) and in Berlin, ...