Frank Julian Sprague: Electrical Inventor and Engineer

Frank Julian Sprague invented a system for distributing electricity to streetcars from overhead wires. Within a year, electric streetcars had begun to replace horsecars, sparking a revolution in urban transportation. Sprague (1857–1934) was an American naval officer turned inventor who worked briefly for Thomas Edison before striking out on his own. Sprague contributed to the development of the electric motor, electric railways, and electric elevators. His innovations would help transform t...