King Camp Gillette was born in Wisconson in 1855. He lived through the great Chicago fire. He worked as a cork salesman. He invented the Saftey Razor in 1901. Safetly razors cleanly and safely shave skin. It uses a protective guard to prevent skin injuries. It was successful because of low prices. Today it is really useful.
The Wright brothers were born by 1878. They opened a bicycle shop. The brothers were focused on the an aircraft control system. They took experience from making bikes. Balance was the key. so they studied birds. They started with gliders at Kill Devil Hills. A thousand gliders were made in 1902. They invented the airplane in 1903 at Kitty Hawk. Airplanes are powered crafts. They carry cargo and passengers far distances and changed warfare.
John Fleming was born in England in 1849. He wanted to be an engineer at age 11. He studied under Maxwell and worked in Edison's company and then under Marconi. He invented the Vaccum tube in 1904 and published a paper in 1905. The vacuum tube was an important advancement, and it improved radios and computers and stuff and led to the personal computer.
Henry Ford was born in Michigan in 1863. He got married in 1888 when he was 25. He built a quadricycle in 1896. Ford's race car in 1902 promoted his brand. Ford invented the Modle T in 1908. It gave families freedom. It succeded because of low prices. One new car was made about every three minutes. The car's price dropped from $825 to $260 in 16 years. It changed the world.
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