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  2. Ángela Ruiz Robles - Wikipedia

    en.wikipedia.org/wiki/Ángela_Ruiz_Robles

    Ángela Ruiz Robles (March 28, 1895 in Villamanín, León – October 27, 1975 in Ferrol, A Coruña) was a Spanish teacher, writer, pioneer and inventor of the mechanical precursor to the electronic book, invented 20 years prior to Michael Hart’s Project Gutenberg, commonly referred to as the true inventor of the e-book, and over half a century before present-day e-books.

  3. Victor Leaton Ochoa - Wikipedia

    en.wikipedia.org/wiki/Victor_Leaton_Ochoa

    Victor Leaton Ochoa (1850 Chihuahua, Mexico – 1945 Sinaloa, Mexico) was a Mexican American revolutionary, journalist, union leader, miner, prisoner and inventor. He is best known for his invention of the Ochoaplane, the electric brake, an adjustable wrench, a pen and pencil clip and a windmill.

  4. Frederick McKinley Jones - Wikipedia

    en.wikipedia.org/wiki/Frederick_McKinley_Jones

    Frederick McKinley Jones (May 17, 1893 – February 21, 1961) was an American inventor, entrepreneur, engineer, winner of the National Medal of Technology, and an inductee of the National Inventors Hall of Fame. [1]

  5. Leonardo Torres Quevedo - Wikipedia

    en.wikipedia.org/wiki/Leonardo_Torres_Quevedo

    [209] [210] A museum called El Valle de los Inventos was opened in La Serna de Iguña, which offers a permanent exhibition about him and his inventions where guided tours, scientific workshops and an escape room are organized. [211] On 4 July, the flag carrier Iberia received the fifth of the six Airbus A320neo planned for that year. This ...

  6. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    The latter algorithm is a procedure for finding integers x and y satisfying the condition ax + by = gcd(a, b). [220] Preliminary differentiation – Preliminary concept of differentiation and the differential coefficient were known to bhaskaracharya [221]

  7. National Inventors Hall of Fame - Wikipedia

    en.wikipedia.org/wiki/National_Inventors_Hall_of...

    The National Inventors Hall of Fame (NIHF) is an American not-for-profit organization, founded in 1973, which recognizes individual engineers and inventors who hold a U.S. patent of significant technology.

  8. Three-age system - Wikipedia

    en.wikipedia.org/wiki/Three-age_system

    Jōmon pottery, Japanese Stone Age Trundholm sun chariot, Nordic Bronze Age Iron Age house keys Cave of Letters, Nahal Hever Canyon, Israel Museum, Jerusalem. The three-age system is the periodization of human prehistory (with some overlap into the historical periods in a few regions) into three time-periods: the Stone Age, the Bronze Age, and the Iron Age, [1] [2] although the concept may ...

  9. List of Scottish inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Scottish...

    Scottish inventions and discoveries are objects, processes or techniques either partially or entirely invented, innovated, or discovered by a person born in or descended from Scotland.