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	Browse inventors by last name: Eastman , George Photography Eastman began his search for a transparent and flexible film in 1884. The first commercial film, put into production a year later, was cut in narrow strips and wound on a roller device patented by Eastman and Walker. Film rolls sufficient for 100 exposures were mounted in a small box camera-the . . . . Easton , Roger TIMATION Satellite Navigation System TIMATION is an acronym of TIMe navigATION, proposed by the U.S. Naval . . . . Eckert , J. Presper ENIAC Edgerton , Harold E. Photography Pioneering research in stroboscopic photography by Harold E. Edgerton . . . . Edison , Thomas Alva Electric Lamp One of the outstanding geniuses in the history of technology, Thomas Edison earned patents for more than a thousand inventions, including the incandescent electric lamp, the phonograph, the carbon telephone transmitter, and the motion-picture projector. In addition, he created the world's first industrial research laboratory. In September 1878, after having viewed an exhibition of a series of eight glaring 500-candlepower arc lights, Edison boldly announced he would invent a safe, mild, and inexpensive electric light that would replace the gaslight in millions of homes; moreover, he would accomplish this by an entirely different method of current distribution from that used for arc lights. To back the lamp effort, some of New York's leading financial figures joined with Edison in October 1878 to form the Edison Electric Light Company, the predecessor of today's . . . . Einhorn , Alfred Novocain Einthoven , Willem Electrocardiograph Receiving of Wireless Signals Elion , Gertrude Belle Anti-Leukemia drugs Gertrude Belle Elion invented the leukemia-fighting drug 6-mercaptopurine and drugs that facilitated kidney transplants. Hired by Burroughs-Wellcome (now . . . . Ellis , Carleton Margarine Carleton Van Staal Ellis was an inventor who used his knowledge of org . . . . Emmett , John Colin Tagamet - Cimetidine Graham J. Durant, John Colin Emmett, and C. Robin Ganellin led the Smi . . . . Endo , Akira Physiologically Active Substances In 1973, Akira Endo of Sankyo Company in Tokyo discovered mevastatin, . . . . Engelbart , Douglas Computer Mouse Douglas Engelbart's patent for the mouse is only a representation of h . . . . Ericsson , John Screw Propeller John Ericsson invented the ship propeller and incorporated the landmark device into his design for the Civil War ironclad the Monitor. In 1826 he moved to London, where he showed the breadth of his engineering genius by developing or improving transmission of power by compressed air, new types of steam boilers, condensers for marine steam engines (so ships could travel farther), placing warship engines below the water line (for protection against shell fire), the steam fire-engine, the design and construction of a steam locomotive (which competed with the historic Rocket, the first steam powered locomotive), an apparatus that made salt from brine, superheated steam engines, the flame or 'caloric' engine. His most enduring invention was the screw propeller, which is still the main form of marine propulsion. Early methods of applying steam power at sea-steam-driven oars, paddle wheels-were inefficient and, for warships, vulnerable to enemy attack. In 1839 Ericsson introduced propellers to vessels on the canals and inland waterways and commenced building a 'big frigate' for the . . . . Espenschied , Lloyd Coaxial Cable Evans , Oliver Steam Engine Evinrude , Ole Outboard Motor