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Benjamin Franklin He was a founding father of the United States, an inventor, and a printer
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His invention revolutionized travel.
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Eli Whtney's invention of the cotton gin increase cotton production in the American South and made cotton "king" of the southern economy
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Samuel Morse Radio communication was revolutionized by Morse. Morse Code is named after him and is still used by Ham Radio opperators and emergency services organizations for reliable communications during challenging conditions.
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Singer's improvements to and marketing of the sewing machine revolutionized the clothing industry. Additionally, it made it possible for clothes to be made in the home at a much faster rate than sewing by hand had allowed.
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Alexander Graham BellNothing has revolutionized the world quite as dramatically as the invention of the telephone. All the telecommunications applications to follow are the offspring, as it were, of the telephone.
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Thomas Edison He literally lit up our world. Once dark night streets, only lit by candle or gas lights, now are almost as bright as day.
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Igor Sikorsky Though the helecopter was successfully invented at the beginning of WWII, they were not used as widely as in later wars. Helicopters would become major players in warfare and travel in the late 1940s into the 1950s. The Korean and Vietnam Wars were the first wars that put helicopters to use in a large variety of missions.
