Over the course of a little less than twenty years, inventor Frank J. Sprague(1857-1934) achieved an astonishing series of technological breakthroughs--from pioneering work inself-governing motors to developing the first full-scale operational electric railway system--allwhile commercializing his inventions and promoting them (and himself as their inventor) to financialbackers and the public. In Engineering Invention, Frederick Dalzell tells Sprague's story, settingit against the backdrop of one of the most dynamic periods in the history of technology. In a burstof innovation during these years, Sprague and his contemporaries--Thomas Edison, Nicolas Tesla,Elmer Sperry, George Westinghouse, and others--transformed the technologies of electricity andreshaped modern life. After working briefly for Edison, Sprague started the Sprague Electric Railwayand Motor Company; designed and built an electric railroad system for Richmond, Virginia; sold hiscompany to Edison and went into the field of electric elevators; almost accidentally discovered amultiple-control system that could equip electric train systems for mass transit; started a thirdcompany to commercialize this; then sold this company to Edison and retired (temporarily).Throughout his career, Dalzell tells us, Sprague framed technology as invention, cast himself ashero, and staged his technologies as dramas. He toiled against the odds, scraped together resourcesto found companies, bet those companies on technical feats--and pulled it off, multiple times. Theidea of the "heroic inventor" is not, of course, the only way to frame the history oftechnology. Nevertheless, as Dalzell shows, Sprague, Edison, and others crafted the role consciouslyand actively, using it to generate vital impetus behind the process of innovation.
Frederick Dalzell received his PhD in the History of American Civilization from Harvard University and has been a researcher at Harvard Business School. He is the coauthor of Changing Fortunes: Remaking the Industrial Corporation and Driving Change: The UPS Approach to Business.
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