Template:Selected anniversaries/April 25

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  • 1710: Astronomer, instrument maker, and author James Ferguson born.

    1710: Astronomer, instrument maker, and author James Ferguson born.

  • 1817: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville born. He will invent the phonoautograph, which records an audio signal as a photographic image.

    1817: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville born. He will invent the phonoautograph, which records an audio signal as a photographic image.

  • 1874: Businessman and inventor Guglielmo Marconi born. He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".

    1874: Businessman and inventor Guglielmo Marconi born. He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".

  • 1903: Mathematician and academic Andrey Kolmogorov born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

    1903: Mathematician and academic Andrey Kolmogorov born. He will make significant contributions to the mathematics of probability theory, topology, intuitionistic logic, turbulence, classical mechanics, algorithmic information theory and computational complexity.

  • 1960: Mathematician, art critic, and alleged time-traveller The Eel stops aquatic cryptid and alleged supervillain Neptune Slaughter from destroying the United States Navy submarine USS Triton.

    1960: Mathematician, art critic, and alleged time-traveller The Eel stops aquatic cryptid and alleged supervillain Neptune Slaughter from destroying the United States Navy submarine USS Triton.

  • 1960: The United States Navy submarine USS Triton completes Operation Sandblast, the first submerged circumnavigation of the globe.

    1960: The United States Navy submarine USS Triton completes Operation Sandblast, the first submerged circumnavigation of the globe.

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