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Siemens, Ernst Werner von
(Encyclopedia)Siemens, Ernst Werner von ĕrnst vĕrˈnər fən zēˈməns [key], 1816–92, German electrical engineer and inventor. He was a founder and director of Siemens and Halske, a firm that made electrical ...Werner, Abraham Gottlob
(Encyclopedia)Werner, Abraham Gottlob äˈbrähäm gôtˈlōp vĕrˈnər [key], 1750–1817, German geologist. In 1775 he became inspector and teacher in the mining academy at Freiberg, which through his efforts be...Forssmann, Werner
(Encyclopedia)Forssmann, Werner vĕrˈnər fôrsˈmän [key], 1904–79, German physician and physiologist, M.D. Univ. of Berlin (1929). In the late 1920s, he developed the technique of cardiac catheterization, whe...complementarity principle
(Encyclopedia)complementarity principle, physical principle enunciated by Niels Bohr in 1928 stating that certain physical concepts are complementary. If two concepts are complementary, an experiment that clearly i...Herzog, Werner
(Encyclopedia)Herzog, Werner, 1942–, German director, screenwriter, and producer; originally named Werner Stipetic. A leading contemporary German filmmaker, Herzog is known for his vivid and poetic films. He made...Cayley, Arthur
(Encyclopedia)Cayley, Arthur kāˈlē [key], 1821–95, English mathematician. He was admitted to the bar in 1849. In 1863 he was appointed first Sadlerian professor of mathematics at Cambridge. His researches, whi...Richards, Dickinson Woodruff, Jr.
(Encyclopedia)Richards, Dickinson Woodruff, Jr., 1895–1973, American physician and physiologist, b. Orange, N.J., grad. Yale, 1917, M.D. Columbia, 1923. He joined the staff of the College of Physicians and Surgeo...Faymann, Werner
(Encyclopedia)Faymann, Werner, 1960–, Austrian politician, federal chancellor of Austria (2008–16), b. Vienna. A member of the Social Democrat party, he began his political career as chairman of Vienna Socialis...quantum theory
(Encyclopedia)quantum theory, modern physical theory concerned with the emission and absorption of energy by matter and with the motion of material particles; the quantum theory and the theory of relativity togethe...Rosenwald, Julius
(Encyclopedia)Rosenwald, Julius rōˈzənwôld [key], 1862–1932, American merchant and philanthropist, b. Springfield, Ill. He was president (1910–25), and later chairman of the board, of the mail-order house o...Browse by Subject
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