Italian High Renaissance Painter and Inventor, 1452-1519 Italian High Renaissance Painter and Inventor, 1452-1519 Florentine Renaissance man, genius, artist in all media, architect, military engineer. Possibly the most brilliantly creative man in European history, he advertised himself, first of all, as a military engineer. In a famous letter dated about 1481 to Ludovico Sforza, of which a copy survives in the Codice Atlantico in Milan, Leonardo asks for employment in that capacity. He had plans for bridges, very light and strong, and plans for destroying those of the enemy. He knew how to cut off water to besieged fortifications, and how to construct bridges, mantlets, scaling ladders, and other instruments. He designed cannon, very convenient and easy of transport, designed to fire small stones, almost in the manner of hail??grape- or case-shot (see ammunition, artillery). He offered cannon of very beautiful and useful shapes, quite different from those in common use and, where it is not possible to employ cannon ?? catapults, mangonels and trabocchi and other engines of wonderful efficacy not in general use. And he said he made armoured cars, safe and unassailable, which will enter the serried ranks of the enemy with their artillery ?? and behind them the infantry will be able to follow quite unharmed, and without any opposition. He also offered to design ships which can resist the fire of all the heaviest cannon, and powder and smoke. The large number of surviving drawings and notes on military art show that Leonardo claims were not without foundation, although most date from after the Sforza letter. Most of the drawings, including giant crossbows (see bows), appear to be improvements on existing machines rather than new inventions. One exception is the drawing of a tank dating from 1485-8 now in the British Museum??a flattened cone, propelled from inside by crankshafts, firing guns. Another design in the British Museum, for a machine with scythes revolving in the horizontal plane, dismembering bodies as it goes, is gruesomely fanciful. Most of the other drawings are in the Codice Atlantico in Milan but some are in the Royal Libraries at Windsor and Turin, in Venice, or the Louvre and the École des Beaux Arts in Paris. Two ingenious machines for continuously firing arrows, machine-gun style, powered by a treadmill are shown in the Codice Atlantico. A number of other sketches of bridges, water pumps, and canals could be for military or civil purposes: dual use technology. Leonardo lived at a time when the first artillery fortifications were appearing and the Codice Atlantico contains sketches of ingenious fortifications combining bastions, round towers, and truncated cones. Models constructed from the drawings and photographed in Calvi works reveal forts which would have looked strikingly modern in the 19th century, and might even feature in science fiction films today. On 18 August 1502 Cesare Borgia appointed Leonardo as his Military Engineer General, although no known building by Leonardo exists. Leonardo was also fascinated by flight. Thirteen pages with drawings for man-powered aeroplanes survive and there is one design for a helicoidal helicopter. Leonardo later realized the inadequacy of the power a man could generate and turned his attention to aerofoils. Had his enormous abilities been concentrated on one thing, he might have invented the modern glider.   Related Paintings of LEONARDO da Vinci :. | St John in the Wilderness | Reverse side of the portrait of Ginevra de' Benci | the last supper | Knieened figure in Draperie | The muscles of Thorax and shoulders in a lebnden person |
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Willem Cornelisz. Duyster
(1599-1635) was a Dutch Golden Age painter from Amsterdam. According to the RKD, his name was taken from his house on the Amsterdam Koningstraat, which was called "De Duystere Werelt", the dim world. He was a pupil of Pieter Codde. He married the sister of the painter Simon Kick (1603-1652), who himself married Willem's sister.
Adam Willaerts
(July 21, 1577, London - April 4, 1664, Utrecht ) was a Dutch Golden Age painter. Willaerts (occasionally Willarts, Willers) was born in London to Flemish parents who had fled from Antwerp for religious reasons. By 1585 the family lived in Leiden. From 1597 until his death, Adam lived in Utrecht, where he became a member of the Guild of St. Luke in 1611, and subsequently rose to dean in 1620. His sons Cornelis, Abraham, and Isaac followed in his footsteps. He was known as a painter of river and canal pieces, coastal landscapes, fish-markets, processions, and genre scenes. He also painted villages and marine battle scenes.
Diego Quispe Tito
(1611-1681) was a Peruvian painter. He is considered the leader of the Cuzco School of painting. The son of a noble Inca family, Quispe Tito was born in Cuzco, and worked throughout his life in the district of San Sebastien; his house is still extant, and shows his coat of arms on its door. His earliest signed painting is an Immaculate Conception from 1627, gilded in a fashion typical of the Cuzco school. The work's elongated forms reveal a knowledge of Mannerism; where Quispe Tito learned the style is unknown, but it is hypothesized that he encountered it in the work of Italian Jesuit Bernardo Bitti, who was active at the time in Cuzco. In addition, he is believed to have known Luis de Riaño in his youth, and may have derived some elements of his style from the older artist; de Riaño, a painter from Lima, had trained in the workshop of Angelino Medoro, and so would have provided another source of Italian influence. Quispe Tito also was influenced in his work by engravings from Flanders; indeed, his best-known work, the 1681 Signs of the Zodiac in Cuzco Cathedral, is a series of copies of Flemish engravings in which each zodiac sign is tied to a parable from the life of Christ. These engravings were designed for distribution in Peru, where worship of the sun, moon, and stars was still practiced in some quarters; they were designed to encourage worship of Christ and His miracles in place of the zodiac. A further series, depicting scenes from the life of John the Baptist and dating to 1663, was also produced on Flemish models.