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Elisha Graves Otis was an American founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.
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Tiffany achieved prominence as an outspoken advocate of abolition, culminating in his book, A Treatise on the Unconstitutionality of American Slavery, published in 1849.
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American inventor who invented the first practical typewriter and the QWERTY keyboard still in use today.
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Thomas Alva Edison was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb.
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Alexander Graham Bell was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone.
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Frank Winfield Woolworth was the founder of F. W. Woolworth Company, an operator of discount stores that priced merchandise at five and ten cents.
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George Eastman was an American innovator and entrepreneur who founded the Eastman Kodak Company and popularized the use of roll film, helping to bring photography to the mainstream.
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The theory that persons, groups, and races are subject to the same laws of
natural selection as Charles Darwin had perceived in plants and animals in
nature. -
was an American
industrialist and philanthropist. He was the founder of the Standard Oil Company, -
founded a meat-
packing empire in the Midwest during the late 19th century, -
Died Oct 28 1899. Machine for
Producing Printing Bars -
Andrew Carnegie, the self-made steel tycoon and
philanthropist who donations expanded the New York Public Library system.
