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Bayliss, Sir William Maddock

(Encyclopedia)Bayliss, Sir William Maddock bāˈlĭs [key], 1860–1924, English physiologist. At University College, London, he investigated the mechanism of heart action, circulation, and digestion. With E. H. St...

Bridgman, Percy Williams

(Encyclopedia)Bridgman, Percy Williams, 1882–1961, American physicist, b. Cambridge, Mass., grad. Harvard (B.A., 1904; Ph.D., 1908). From 1910 he taught at Harvard, as professor from 1919. He won the 1946 Nobel P...

Bütschli, Otto

(Encyclopedia)Bütschli, Otto ôˈtō büchˈlē [key], 1848–1920, German zoologist. He was professor of zoology at the Univ. of Heidelberg. His researches on invertebrate animals advanced knowledge of the develo...

Perlman, Selig

(Encyclopedia)Perlman, Selig, 1888–1959, American economist, b. Bialystok, Poland. His parents were active in the Zionist and labor movements of Eastern Europe. Perlman emigrated to the United States in 1918, whe...

Winnicott, Donald

(Encyclopedia)Winnicott, Donald, 1896–1971, British psychoanalyst, pediatrician, and child psychiatrist. He worked at the Paddington Green Children's Hospital in London for over 40 years, beginning in 1923, where...

Bergman, Torbern Olof

(Encyclopedia)Bergman, Torbern Olof to͝orˈbərn o͞oˈlôv bĕrˈyəmän [key], 1735–84, Swedish chemist, physicist, and mineralogist. A professor at the Univ. of Uppsala from 1758, he developed a theory of che...

Wagner, Adolf Heinrich Gotthilf

(Encyclopedia)Wagner, Adolf Heinrich Gotthilf äˈdôlf hīnˈrĭkh gôtˈhĭlf vägˈnər [key], 1835–1917, German economist and socialist, studied at Göttingen and Heidelberg. He taught economics at several un...

lepton

(Encyclopedia)lepton lĕpˈtŏnˌ [key] [Gr.,=light (i.e., lightweight)], class of elementary particles that includes the electron and its antiparticle, the muon and its antiparticle, the tau and its antiparticle, ...

Merkel, Angela

(Encyclopedia)Merkel, Angela änˈgĕlä märˈkəl [key], 1954–, German politician, b. Hamburg as Angela Dorothea Kasner. The daughter of a Lutheran pastor, she grew up in what was then East Germany. She trained...

Asada Goryu

(Encyclopedia)Asada Goryu äsäˈdä gôrˈyo͞o [key], 1734–99, Japanese astronomer who helped to introduce modern astronomical instruments and methods into Japan. Asada spent much of his career in the flourishi...