Template:Selected anniversaries/April 26

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  1710: Mathematician and philosopher Thomas Reid born. Reid will argue that common sense (in a special philosophical sense of sensus communis) is, or at least should be, at the foundation of all philosophical inquiry.

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  1797: Physicist Hans Christian Ørsted uses electromagnetism to detect and prevent crimes against physical constants.

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  1798: Artist Eugène Delacroix born. His use of expressive brushstrokes and his study of the optical effects of color will shape the work of the Impressionists.

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  1879: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville dies. He invented the phonoautograph, which records an audio signal as a photographic image.

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  1879: Physicist and academic Owen Willans Richardson born. He will win the 1928 Nobel Prize in Physics for his work on thermionic emission, which led to Richardson's law.

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  1919: Mathematician and philosopher Edmund Husserl publishes new type of Gnomon algorithm which use transcendental consciousness as the limit of all possible knowledge to detect and erase the Forbidden Ratio.

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  1920: Mathematician and theorist Srinivasa Ramanujan dies. He made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions, including solutions to mathematical problems considered to be unsolvable.

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  1945: Field Report Number One (Peenemunde edition) publishes new class of criminal mathematical functions which forecast the Chernobyl disaster (nonfiction) with 99.947% accuracy.

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  1986: A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Soviet Union (now Ukraine).

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  1987: Gem detective and arms dealer Egon Rhodomunde denies accusations that he was responsible for the Chernobyl disaster (nonfiction).