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John Logie Baird, a Scottish inventor, demonstrated the first working television system, the 'Televisor', in 1926. This electromechanical device used a spinning Nipkow disk to scan images, converting ...
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John Logie Baird, a Scottish inventor, demonstrate...

An old cigarette card (c. 1929) with a portrait of John Logie Baird FRSE (1888–1946) and an illustration of his tevevision. Baird was a Scottish inventor, electrical engineer, and innovator, demonstra...
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An old cigarette card (c. 1929) with a portrait of...

London, UK - March 8th 2022: A blue plaque located on Frith Street in Soho, London, UK, marking the location where in 1926, John Logie Baird first dem
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London, UK - March 8th 2022: A blue plaque located...

Andre Marie Ampère (January 20, 1775 - June 10, 1836) French physicist, chemist, and mathematician. Ampère established the relations between electricity and magnetism, and in developing the science of...
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Andre Marie Ampère (January 20, 1775 - June 10, 18...

Barbara McClintock, American Cytogeneticist
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Barbara McClintock, American Cytogeneticist

In this sequence of photographs Harry Houdini demonstrated how spirit hands that appeared at seances were made by less ethereal beings. In "A magician among the spirits" Houdini described the mediumi...
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In this sequence of photographs Harry Houdini dem...

Pablo Picasso, Spanish Artist
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Pablo Picasso, Spanish Artist

Pablo Picasso, 1909-10, Figure dans un Fauteuil (Seated Nude, Femme nue assise), oil on canvas. Picasso demonstrated extraordinary artistic talent in his early years, painting in a naturalistic manne...
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Pablo Picasso, 1909-10, Figure dans un Fauteuil (S...

Feb. 26, 2012 - Women's Lib abortion demonstration, Union Square, NYC, May 6, 1972 Demonstration against the repeal of New York State's Abortion law. Women's Lib and other organization demonstrated at...
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Feb. 26, 2012 - Women's Lib abortion demonstration...

Paris, France, 8th December, 2018. Protesters wearing yellow vests near a police roadblock barring access to place de la Concorde, rue Royale, Paris. About 10,000 protesters wearing yellow vests demon...
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Paris, France, 8th December, 2018. Protesters wear...