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Institute for the Preservation of Elevator History: Frank J. Sprague
Biography of Sprague, who is responsible for the development of electric trailways, electric elevators, and a commercial form of the electric motor.
National Inventors Hall of Fame
National Inventors Hall of Fame: Frank Julian Sprague
Find the inventor profile of 2006 inductee Frank Sprague.
Curated OER
Institute for the Preservation of Elevator History: Frank J. Sprague
Biography of Sprague, who is responsible for the development of electric trailways, electric elevators, and a commercial form of the electric motor.