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Leon Battista Alberti (Italian: [leˈom batˈtista alˈbɛrti]; 14 February 1404 – 25 April 1472) was an Italian Renaissance humanist author, artist, architect, poet, priest, linguist, philosopher, and cryptographer; he epitomised the nature of those identified now as polymaths.
The Alberti Cipher disk. The Alberti Cipher, created in 1467 by Italian architect Leon Battista Alberti, was one of the first polyalphabetic ciphers. [1] In the opening pages of his treatise De componendis cifris [] he explained how his conversation with the papal secretary Leonardo Dati about a recently developed movable type printing press led to the development of his cipher wheel.
A cipher disk is an enciphering and deciphering tool developed in 1470 by the Italian architect and author Leon Battista Alberti. He constructed a device, (eponymously called the Alberti cipher disk) consisting of two concentric circular plates mounted one on top of the other. The larger plate is called the "stationary" and the smaller one the ...
Perspective was later reported in "Della pittura" (1435) by Leon Battista Alberti. [170] Piano: an acoustic, stringed musical instrument played using a keyboard, with hammers striking the strings, invented by Bartolomeo Cristofori in 1709. [171] Pistol: first handheld guns were probably created in the city of Pistoia around 1540. [172]
Leon Battista Alberti (who wrote in 1450 the standard text of Renaissance art) argued that, since classical times, according to prominent authors like Cicero and Plato, white was the only color suitable for a temple or church and praised "the purity and simplicity of the color, like that of life." [32]
Figure from the 1804 edition of Della picture showing the vanishing point Rendition of Alberti's description of how a circle projected as an ellipse Figure showing pillars in perspective on a grid. De pictura (English: "On Painting") is a treatise or commentarii written by the Italian humanist and artist Leon Battista Alberti. The first version ...
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Essentially all ciphers remained vulnerable to the cryptanalytic technique of frequency analysis until the development of the polyalphabetic cipher, and many remained so thereafter. The polyalphabetic cipher was most clearly explained by Leon Battista Alberti around AD 1467, for which he was called the "father of Western cryptology". [1]