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Haeckel, Ernst Heinrich

(Encyclopedia)Haeckel, Ernst Heinrich ĕrnst hīnˈrĭkh hĕˈkəl [key], 1834–1919, German biologist and philosopher. He taught (1862–1909) at the Univ. of Jena. An early exponent of Darwinism in Germany, he e...

Weber, Ernst Heinrich

(Encyclopedia)Weber, Ernst Heinrich vāˈbər [key], 1795–1878, German physiologist. He was a professor at the Univ. of Leipzig (1821–71) and is known for his work on touch and for the formulation of Weber's l...

biogenetic law

(Encyclopedia)biogenetic law, in biology, a law stating that the earlier stages of embryos of species advanced in the evolutionary process, such as humans, resemble the embryos of ancestral species, such as fish. T...

Ruska, Ernst

(Encyclopedia)Ruska, Ernst, 1906–88, German electrical engineer. By applying the discovery that electron waves are 100,000 times shorter than those of light, Ruska built a microscope that used a beam of electrons...

Rohrer, Heinrich

(Encyclopedia)Rohrer, Heinrich, 1933–2013, Swiss physicist, Ph.D. Swiss Federal Institute of Technology, 1960. He joined IBM in 1963 and spent almost his entire career with the company, retiring in 1997. At the I...

Himmler, Heinrich

(Encyclopedia)Himmler, Heinrich hīnˈrĭkh hĭmˈlər [key], 1900–1945, German Nazi leader. An early member of the National Socialist German Workers' (Nazi) party, Himmler took part in Adolf Hitler's “beer-hal...

Wrangel, Friedrich Heinrich Ernst, Graf von

(Encyclopedia)Wrangel, Friedrich Heinrich Ernst, Graf von frēˈdrĭkh hīnˈrĭkh ĕrnst gräf fən vrängˈəl [key], 1784–1877, Prussian field marshal. He fought in the Napoleonic Wars. In 1848 he commanded th...

Roux, Wilhelm

(Encyclopedia)Roux, Wilhelm ro͞o [key], 1850–1924, German anatomist, a founder of experimental embryology. He was a pupil of Ernst Haeckel and a professor (1895–1921) at the Univ. of Halle. In his studies of ...

monism

(Encyclopedia)monism mōˈnĭzəm [key] [Gr.,=belief in one], in metaphysics, term introduced in the 18th cent. by Christian von Wolff for any theory that explains all phenomena by one unifying principle or as mani...

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...