Master workman. Founder. Inventor. Organizer. More than any other man, George Westinghouse was responsible for the introduction and development of alternating current for light and power. With the desire to turn ideas into enterprises, he founded Westinghouse Electric and 59 other companies, eventually receiving over 100 patents for his work.
Born in Central Bridge, New York, on October 6, 1846, George Westinghouse was the eighth of 10 children. When the family moved to Schenectady, New York, his father established a shop for agricultural machinery and small steam engines. After serving in the Union Army during the Civil War, and briefly attending college, Westinghouse returned to his father's shop where, in 1865, he developed and patented a rotary steam engine. That same year he invented a device for placing derailed freight cars back on their tracks.
A continuing interest in railroads led Westinghouse to his first major invention. Observing the problems and limitations of stopping trains by manually-operated brakes, he devised a method of using brakes actuated by compressed air. He turned this idea into the Westinghouse Air Brake Company, founded in 1869. With additional features added to the design, the air brake became widely accepted, and the Railroad Safety Appliance Act of 1893 made air brakes compulsory on all American trains. Eventually, the use of air brakes spread to Europe, and under Westinghouse's lead, brake equipment became standardized.
With the vast increase in rail traffic and development of railroad yards, Westinghouse recognized the need for better signaling devices and interlocking switches. Purchasing patents to combine with his own inventions, he developed a complete electrical and compressed-air signal system. These ideas evolved into the Union Switch and Signal Company, founded in Pittsburgh, Pennsylvania, in 1881.
A well drilled in the yard of Westinghouse's home led to several dozen inventions for the control and distribution of natural gas. His ideas were the basis for founding a company to distribute gas in the Pittsburgh area. Knowledge gained from this work pointed him in the direction of a better distribution system for electric current. He had invented a reduction valve which permitted high-pressure gas from the well to be delivered at low pressure at the point of use. He reasoned that a similar device could work with electricity, and he found it in a so-called secondary generator developed in England. With skilled associates like William Stanley, he turned the crude secondary generator into a transformer that proved to be the key to widespread distribution of electric power.
His firm faith in the alternating-current system led to the founding of the Westinghouse Electric Company in 1886, in bold opposition to the well-entrenched backers of the direct-current system, led by Thomas Edison. But in a span of just 10 years, the value of the alternating-current system had been convincingly demonstrated. By the turn of the century, Westinghouse's enterprises had grown to employ over 50,000 workers.
Acclaimed in his time as the "greatest living engineer," George Westinghouse was accorded numerous honors in the U.S. and abroad, even after his death on March 12, 1914. Perhaps the finest tribute of all came from inventor Nikola Tesla, whose patents for the polyphase system of alternating current and the induction motor were acquired by Westinghouse and gave the company its early leadership in electric power developments. Westinghouse used Tesla's system to light the World's Columbian Exposition at Chicago in 1893. This system was also a factor in winning the Westinghouse Electric Company the contract to install the first power machinery at Niagara Falls, which bore Tesla's name and patent numbers.
Wrote Mr. Tesla, "George Westinghouse was, in my opinion, the only man on this globe who could take my alternating-current system under the circumstances then existing and win the battle against prejudice and money power. He was one of the world's true noblemen, of whom America may well be proud and to whom humanity owes an immense debt of gratitude."