Complete biography of Abraham Lincoln, 16th US president who led the nation through Civil War and abolished slavery.
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Life story of Nikola Tesla, Serbian-American inventor who revolutionized electricity with AC systems and wireless technology.
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Complete biography of Benjamin Franklin, polymath who shaped America as scientist, inventor, diplomat and founding father.
- Entrepreneurs and Innovators
Alexander Graham Bell biography: life and inventions of the telephone creator
Scottish inventor who revolutionized communication by patenting the first telephone in 1876 and dedicated his life to deaf education.
- Entrepreneurs and Innovators
Thomas Edison biography: life and inventions of the great American inventor
Complete biography of Thomas Edison, the prolific American inventor who created the light bulb, phonograph and over 1,000 patents.
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Complete biography of Charles Darwin, English naturalist who revolutionized science with evolution theory and natural selection.
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Life story of Archimedes of Syracuse, brilliant mathematician who discovered buoyancy laws and invented ingenious machines.
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Learn about Euclid’s life, the ancient Greek mathematician who revolutionized geometry with his famous Elements treatise.
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Complete biography of Pythagoras, the influential Greek mathematician and philosopher who founded Pythagoreanism.
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Explore Karl Marx’s life from Trier to London, his revolutionary ideas on capitalism and lasting impact on modern society.