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Edison, Thomas Alva
(Encyclopedia)Edison, Thomas Alva, 1847–1931, American inventor, b. Milan, Ohio. A genius in the practical application of scientific principles, Edison was one of the greatest and most productive inventors of his...Colt, Samuel
(Encyclopedia)Colt, Samuel, 1814–62, American inventor, b. Hartford, Conn. In 1835–36, he patented a revolving-breech pistol and founded at Paterson, N.J., the Patent Arms Company, which failed in 1842. An orde...Morse code
(Encyclopedia)CE5 Morse code [for S. F. B. Morse], the arbitrary set of signals used on the telegraph (see code). It may also be used with a flash lamp for visible signaling. The international (or continental) M...Rondon, Cândido Mariano da Silva
(Encyclopedia)Rondon, Cândido Mariano da Silva känˈdēᵺo͝o mərēäˈno͝o ᵺä sēlˈvə ro͝ondônˈ [key], 1865–1958, Brazilian explorer and founder of the Indian Protection Service. A major in the army...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 ...International Telecommunication Union
(Encyclopedia)International Telecommunication Union (ITU), specialized agency of the United Nations, with headquarters at Geneva. It was created in 1934 as a result of the merging of the International Telegraph Uni...Mackay, John William
(Encyclopedia)Mackay, John William măkˈē [key], 1831–1902, American financier, b. Dublin, Ireland. He immigrated to the United States in 1840. In 1859 he joined the rush to Nevada, where silver had been discov...Weber, Wilhelm Eduard
(Encyclopedia)Weber, Wilhelm Eduard vĭlˈhĕlm āˈdo͞oärt vāˈbər [key], 1804–91, German physicist. He was professor (1831–37, 1849–91) at the Univ. of Göttingen, where he worked with C. F. Gauss on te...Robinson, Boardman
(Encyclopedia)Robinson, Boardman, 1876–1952, American painter, illustrator, and cartoonist, b. Somerset, N.S., studied at the Massachusetts School of Art, Boston, and in Paris. After four years of painting in San...Morse, Samuel Finley Breese
(Encyclopedia)Morse, Samuel Finley Breese, 1791–1872, American inventor and artist, b. Charlestown, Mass., grad. Yale, 1810. He studied painting in England under Washington Allston and achieved some success. He r...Browse by Subject
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